20273288

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2221}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 43728960

約数和(自身を除く): 23455672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2221, 2282, 4442, 4564, 8884, 9128, 15547, 17768, 31094, 62188, 124376, 362023, 724046, 1448092, 2534161, 2896184, 5068322, 10136644, 20273288]

約数ペア:

[(1, 20273288), (2, 10136644), (4, 5068322), (7, 2896184), (8, 2534161), (14, 1448092), (28, 724046), (56, 362023), (163, 124376), (326, 62188), (652, 31094), (1141, 17768), (1304, 15547), (2221, 9128), (2282, 8884), (4442, 4564)]