Q: What is the sum of all factors of the number 81,066,620 excluding 81,066,620?
A: 89,173,324
The factors of the number 81,066,620 are: 1, 2, 4, 5, 10, 20, 4053331, 8106662, 16213324, 20266655, 40533310, 81066620.
If you add them up, you will get the total of 81,066,709. Now subtract 81,066,620 to get 89,173,324