Q: What is the sum of all factors of the number 20,504,505 excluding 20,504,505?

 A: 16,989,639

Why is 16,989,639 the sum of all factors of 20,504,505, excluding 20,504,505?

The factors of the number 20,504,505 are: 1, 3, 5, 7, 15, 21, 35, 105, 195281, 585843, 976405, 1366967, 2929215, 4100901, 6834835, 20504505.

If you add them up, you will get the total of 20,504,521. Now subtract 20,504,505 to get 16,989,639


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