20129164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{1471}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 38578176

約数和(自身を除く): 18449012

約数列:

[1, 2, 4, 11, 22, 44, 311, 622, 1244, 1471, 2942, 3421, 5884, 6842, 13684, 16181, 32362, 64724, 457481, 914962, 1829924, 5032291, 10064582, 20129164]

約数ペア:

[(1, 20129164), (2, 10064582), (4, 5032291), (11, 1829924), (22, 914962), (44, 457481), (311, 64724), (622, 32362), (1244, 16181), (1471, 13684), (2942, 6842), (3421, 5884)]