20520116

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2251}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 37455264

約数和(自身を除く): 16935148

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2251, 2279, 4502, 4558, 9004, 9116, 96793, 119303, 193586, 238606, 387172, 477212, 5130029, 10260058, 20520116]

約数ペア:

[(1, 20520116), (2, 10260058), (4, 5130029), (43, 477212), (53, 387172), (86, 238606), (106, 193586), (172, 119303), (212, 96793), (2251, 9116), (2279, 9004), (4502, 4558)]