Q: What is the sum of all factors of the number 20,900,209 excluding 20,900,209?
A: 3,284,511
The factors of the number 20,900,209 are: 1, 11, 19, 121, 209, 2299, 9091, 100001, 172729, 1100011, 1900019, 20900209.
If you add them up, you will get the total of 20,900,212. Now subtract 20,900,209 to get 3,284,511