Data commit

Task/Amicable-pairs/Go/amicable-pairs.go

@@ -0,0 +1,27 @@
+package main
+
+import "fmt"
+
+func pfacSum(i int) int {
+    sum := 0
+    for p := 1; p <= i/2; p++ {
+        if i%p == 0 {
+            sum += p
+        }
+    }
+    return sum
+}
+
+func main() {
+    var a[20000]int
+    for i := 1; i < 20000; i++ {
+        a[i] = pfacSum(i)
+    }
+    fmt.Println("The amicable pairs below 20,000 are:")
+    for n := 2; n < 19999; n++ {
+        m := a[n]
+        if m > n && m < 20000 && n == a[m] {
+            fmt.Printf("  %5d and %5d\n", n, m)
+        }
+    }
+}