20957272

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6343}}^1$

素因数の和:6415

約数の個数: 32

約数和(自身を含む): 45676800

約数和(自身を除く): 24719528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6343, 12686, 25372, 44401, 50744, 88802, 177604, 355208, 374237, 748474, 1496948, 2619659, 2993896, 5239318, 10478636, 20957272]

約数ペア:

[(1, 20957272), (2, 10478636), (4, 5239318), (7, 2993896), (8, 2619659), (14, 1496948), (28, 748474), (56, 374237), (59, 355208), (118, 177604), (236, 88802), (413, 50744), (472, 44401), (826, 25372), (1652, 12686), (3304, 6343)]