Q: What is the sum of all factors of the number 20,515,509 excluding 20,515,509?
A: 13,351,467
The factors of the number 20,515,509 are: 1, 3, 7, 9, 21, 63, 325643, 976929, 2279501, 2930787, 6838503, 20515509.
If you add them up, you will get the total of 20,515,522. Now subtract 20,515,509 to get 13,351,467