20876730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 57957120

約数和(自身を除く): 37080390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1117, 1246, 1335, 1869, 2234, 2670, 3115, 3351, 3738, 5585, 6230, 6702, 7819, 9345, 11170, 15638, 16755, 18690, 23457, 33510, 39095, 46914, 78190, 99413, 117285, 198826, 234570, 298239, 497065, 596478, 695891, 994130, 1391782, 1491195, 2087673, 2982390, 3479455, 4175346, 6958910, 10438365, 20876730]

約数ペア:

[(1, 20876730), (2, 10438365), (3, 6958910), (5, 4175346), (6, 3479455), (7, 2982390), (10, 2087673), (14, 1491195), (15, 1391782), (21, 994130), (30, 695891), (35, 596478), (42, 497065), (70, 298239), (89, 234570), (105, 198826), (178, 117285), (210, 99413), (267, 78190), (445, 46914), (534, 39095), (623, 33510), (890, 23457), (1117, 18690), (1246, 16755), (1335, 15638), (1869, 11170), (2234, 9345), (2670, 7819), (3115, 6702), (3351, 6230), (3738, 5585)]