Q: What is the sum of all factors of the number 20,421,515 excluding 20,421,515?
A: 4,084,309
The factors of the number 20,421,515 are: 1, 5, 4084303, 20421515.
If you add them up, you will get the total of 20,421,519. Now subtract 20,421,515 to get 4,084,309