20811444

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 50937600

約数和(自身を除く): 30126156

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 79, 87, 116, 158, 174, 237, 316, 348, 474, 757, 948, 1514, 2271, 2291, 3028, 4542, 4582, 6873, 9084, 9164, 13746, 21953, 27492, 43906, 59803, 65859, 87812, 119606, 131718, 179409, 239212, 263436, 358818, 717636, 1734287, 3468574, 5202861, 6937148, 10405722, 20811444]

約数ペア:

[(1, 20811444), (2, 10405722), (3, 6937148), (4, 5202861), (6, 3468574), (12, 1734287), (29, 717636), (58, 358818), (79, 263436), (87, 239212), (116, 179409), (158, 131718), (174, 119606), (237, 87812), (316, 65859), (348, 59803), (474, 43906), (757, 27492), (948, 21953), (1514, 13746), (2271, 9164), (2291, 9084), (3028, 6873), (4542, 4582)]