Q: What is the sum of all factors of the number 1,987,420 including 1,987,420?
A: 4,173,624
The factors of the number 1,987,420 are: 1, 2, 4, 5, 10, 20, 99371, 198742, 397484, 496855, 993710, 1987420.
If you add them up, you will get the total of 4,173,624.