20708680

素因数分解:

$2^3\times 5^1\times {\mathrm{517717}}^1$

素因数の和:517728

約数の個数: 16

約数和(自身を含む): 46594620

約数和(自身を除く): 25885940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 517717, 1035434, 2070868, 2588585, 4141736, 5177170, 10354340, 20708680]

約数ペア:

[(1, 20708680), (2, 10354340), (4, 5177170), (5, 4141736), (8, 2588585), (10, 2070868), (20, 1035434), (40, 517717)]