20963404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2347}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 47335680

約数和(自身を除く): 26372276

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 2347, 4466, 4694, 8932, 9388, 16429, 25817, 32858, 51634, 65716, 68063, 103268, 136126, 180719, 272252, 361438, 476441, 722876, 748693, 952882, 1497386, 1905764, 2994772, 5240851, 10481702, 20963404]

約数ペア:

[(1, 20963404), (2, 10481702), (4, 5240851), (7, 2994772), (11, 1905764), (14, 1497386), (22, 952882), (28, 748693), (29, 722876), (44, 476441), (58, 361438), (77, 272252), (116, 180719), (154, 136126), (203, 103268), (308, 68063), (319, 65716), (406, 51634), (638, 32858), (812, 25817), (1276, 16429), (2233, 9388), (2347, 8932), (4466, 4694)]