20256572

素因数分解:

$2^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{3187}}^1$

素因数の和:3425

約数の個数: 24

約数和(自身を含む): 40704384

約数和(自身を除く): 20447812

約数列:

[1, 2, 4, 7, 14, 28, 227, 454, 908, 1589, 3178, 3187, 6356, 6374, 12748, 22309, 44618, 89236, 723449, 1446898, 2893796, 5064143, 10128286, 20256572]

約数ペア:

[(1, 20256572), (2, 10128286), (4, 5064143), (7, 2893796), (14, 1446898), (28, 723449), (227, 89236), (454, 44618), (908, 22309), (1589, 12748), (3178, 6374), (3187, 6356)]