20209475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5653}}^1$

素因数の和:5687

約数の個数: 24

約数和(自身を含む): 29446032

約数和(自身を除く): 9236557

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5653, 28265, 62183, 73489, 141325, 310915, 367445, 808379, 1554575, 1837225, 4041895, 20209475]

約数ペア:

[(1, 20209475), (5, 4041895), (11, 1837225), (13, 1554575), (25, 808379), (55, 367445), (65, 310915), (143, 141325), (275, 73489), (325, 62183), (715, 28265), (3575, 5653)]