20579260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79151}}^1$

素因数の和:79173

約数の個数: 24

約数和(自身を含む): 46541376

約数和(自身を除く): 25962116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 79151, 158302, 316604, 395755, 791510, 1028963, 1583020, 2057926, 4115852, 5144815, 10289630, 20579260]

約数ペア:

[(1, 20579260), (2, 10289630), (4, 5144815), (5, 4115852), (10, 2057926), (13, 1583020), (20, 1028963), (26, 791510), (52, 395755), (65, 316604), (130, 158302), (260, 79151)]