20873644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2621}}^1$

素因数の和:2817

約数の個数: 24

約数和(自身を含む): 40085136

約数和(自身を除く): 19211492

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2621, 3982, 5242, 7964, 10484, 28831, 57662, 115324, 474401, 948802, 1897604, 5218411, 10436822, 20873644]

約数ペア:

[(1, 20873644), (2, 10436822), (4, 5218411), (11, 1897604), (22, 948802), (44, 474401), (181, 115324), (362, 57662), (724, 28831), (1991, 10484), (2621, 7964), (3982, 5242)]