20170475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 27466992

約数和(自身を除く): 7296517

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1171, 1325, 3445, 5855, 15223, 17225, 29275, 62063, 76115, 310315, 380575, 806819, 1551575, 4034095, 20170475]

約数ペア:

[(1, 20170475), (5, 4034095), (13, 1551575), (25, 806819), (53, 380575), (65, 310315), (265, 76115), (325, 62063), (689, 29275), (1171, 17225), (1325, 15223), (3445, 5855)]