20520558

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{10459}}^1$

素因数の和:10576

約数の個数: 24

約数和(自身を含む): 44873400

約数和(自身を除く): 24352842

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 327, 654, 981, 1962, 10459, 20918, 31377, 62754, 94131, 188262, 1140031, 2280062, 3420093, 6840186, 10260279, 20520558]

約数ペア:

[(1, 20520558), (2, 10260279), (3, 6840186), (6, 3420093), (9, 2280062), (18, 1140031), (109, 188262), (218, 94131), (327, 62754), (654, 31377), (981, 20918), (1962, 10459)]