20108680

素因数分解:

$2^3\times 5^1\times {\mathrm{502717}}^1$

素因数の和:502728

約数の個数: 16

約数和(自身を含む): 45244620

約数和(自身を除く): 25135940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502717, 1005434, 2010868, 2513585, 4021736, 5027170, 10054340, 20108680]

約数ペア:

[(1, 20108680), (2, 10054340), (4, 5027170), (5, 4021736), (8, 2513585), (10, 2010868), (20, 1005434), (40, 502717)]