Q: What is the sum of all factors of the number 20,688,215 excluding 20,688,215?
A: 4,137,649
The factors of the number 20,688,215 are: 1, 5, 4137643, 20688215.
If you add them up, you will get the total of 20,688,219. Now subtract 20,688,215 to get 4,137,649