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June 2018 Update

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Ingy döt Net 2018-06-22 20:57:24 +00:00
parent ba8067c3b7
commit 22f33d4004
5278 changed files with 84726 additions and 14379 deletions
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11
Task/Amicable-pairs/R/amicable-pairs.r Normal file
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divisors <- function (n) {
Filter( function (m) 0 == n %% m, 1:(n/2) )
}
table = sapply(1:19999, function (n) sum(divisors(n)) )
for (n in 1:19999) {
m = table[n]
if ((m > n) && (m < 20000) && (n == table[m]))
cat(n, " ", m, "\n")
}