20796578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5281}}^1$

素因数の和:5473

約数の個数: 16

約数和(自身を含む): 34227360

約数和(自身を除く): 13430782

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5281, 10562, 58091, 116182, 945299, 1890598, 10398289, 20796578]

約数ペア:

[(1, 20796578), (2, 10398289), (11, 1890598), (22, 945299), (179, 116182), (358, 58091), (1969, 10562), (3938, 5281)]