20064475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 26717040

約数和(自身を除く): 6652565

約数列:

[1, 5, 19, 25, 53, 95, 265, 475, 797, 1007, 1325, 3985, 5035, 15143, 19925, 25175, 42241, 75715, 211205, 378575, 802579, 1056025, 4012895, 20064475]

約数ペア:

[(1, 20064475), (5, 4012895), (19, 1056025), (25, 802579), (53, 378575), (95, 211205), (265, 75715), (475, 42241), (797, 25175), (1007, 19925), (1325, 15143), (3985, 5035)]