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September 2017 Update

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Ingy döt Net 2017-09-23 10:01:46 +02:00
parent bba7bfd280
commit ba8067c3b7
14570 changed files with 153136 additions and 63871 deletions
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13
Task/Amicable-pairs/Maple/amicable-pairs.maple Normal file
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with(NumberTheory):
pairs:=[];
for i from 1 to 20000 do
for j from i+1 to 20000 do
sum1:=SumOfDivisors(j)-j;
sum2:=SumOfDivisors(i)-i;
if sum1=i and sum2=j and i<>j then
pairs:=[op(pairs),[i,j]];
printf("%a", pairs);
end if;
end do;
end do;
pairs;