20733796

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 37044000

約数和(自身を除く): 16310204

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 419, 556, 838, 1676, 12371, 24742, 37291, 49484, 58241, 74582, 116482, 149164, 232964, 5183449, 10366898, 20733796]

約数ペア:

[(1, 20733796), (2, 10366898), (4, 5183449), (89, 232964), (139, 149164), (178, 116482), (278, 74582), (356, 58241), (419, 49484), (556, 37291), (838, 24742), (1676, 12371)]