Q: What is the sum of all factors of the number 20,640,457 excluding 20,640,457?
A: 249,983
The factors of the number 20,640,457 are: 1, 173, 229, 521, 39617, 90133, 119309, 20640457.
If you add them up, you will get the total of 20,640,706. Now subtract 20,640,457 to get 249,983