Q: What is the sum of all factors of the number 20,420,138 excluding 20,420,138?
A: 10,210,072
The factors of the number 20,420,138 are: 1, 2, 10210069, 20420138.
If you add them up, you will get the total of 20,420,148. Now subtract 20,420,138 to get 10,210,072