Q: What is the sum of all factors of the number 20,721,345 excluding 20,721,345?
A: 12,490,815
The factors of the number 20,721,345 are: 1, 3, 5, 15, 929, 1487, 2787, 4461, 4645, 7435, 13935, 22305, 1381423, 4144269, 6907115, 20721345.
If you add them up, you will get the total of 20,721,357. Now subtract 20,721,345 to get 12,490,815