20957356

素因数分解:

$2^2\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2221}}^1$

素因数の和:2569

約数の個数: 24

約数和(自身を含む): 42058016

約数和(自身を除く): 21100660

約数列:

[1, 2, 4, 7, 14, 28, 337, 674, 1348, 2221, 2359, 4442, 4718, 8884, 9436, 15547, 31094, 62188, 748477, 1496954, 2993908, 5239339, 10478678, 20957356]

約数ペア:

[(1, 20957356), (2, 10478678), (4, 5239339), (7, 2993908), (14, 1496954), (28, 748477), (337, 62188), (674, 31094), (1348, 15547), (2221, 9436), (2359, 8884), (4442, 4718)]