20112295

素因数分解:

$5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{797}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 28383264

約数和(自身を除く): 8270969

約数列:

[1, 5, 7, 35, 49, 103, 245, 515, 721, 797, 3605, 3985, 5047, 5579, 25235, 27895, 39053, 82091, 195265, 410455, 574637, 2873185, 4022459, 20112295]

約数ペア:

[(1, 20112295), (5, 4022459), (7, 2873185), (35, 574637), (49, 410455), (103, 195265), (245, 82091), (515, 39053), (721, 27895), (797, 25235), (3605, 5579), (3985, 5047)]