20840254

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{2531}}^1$

素因数の和:2735

約数の個数: 16

約数和(自身を含む): 32814720

約数和(自身を除く): 11974466

約数列:

[1, 2, 23, 46, 179, 358, 2531, 4117, 5062, 8234, 58213, 116426, 453049, 906098, 10420127, 20840254]

約数ペア:

[(1, 20840254), (2, 10420127), (23, 906098), (46, 453049), (179, 116426), (358, 58213), (2531, 8234), (4117, 5062)]