20131668680

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4453909}}^1$

素因数の和:4454033

約数の個数: 32

約数和(自身を含む): 45697116600

約数和(自身を除く): 25565447920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 4453909, 8907818, 17815636, 22269545, 35631272, 44539090, 89078180, 178156360, 503291717, 1006583434, 2013166868, 2516458585, 4026333736, 5032917170, 10065834340, 20131668680]

約数ペア:

[(1, 20131668680), (2, 10065834340), (4, 5032917170), (5, 4026333736), (8, 2516458585), (10, 2013166868), (20, 1006583434), (40, 503291717), (113, 178156360), (226, 89078180), (452, 44539090), (565, 35631272), (904, 22269545), (1130, 17815636), (2260, 8907818), (4520, 4453909)]