20215391140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144395651}}^1$

素因数の和:144395667

約数の個数: 24

約数和(自身を含む): 48516939072

約数和(自身を除く): 28301547932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144395651, 288791302, 577582604, 721978255, 1010769557, 1443956510, 2021539114, 2887913020, 4043078228, 5053847785, 10107695570, 20215391140]

約数ペア:

[(1, 20215391140), (2, 10107695570), (4, 5053847785), (5, 4043078228), (7, 2887913020), (10, 2021539114), (14, 1443956510), (20, 1010769557), (28, 721978255), (35, 577582604), (70, 288791302), (140, 144395651)]