20357475

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3823}}^1$

素因数の和:3907

約数の個数: 24

約数和(自身を含む): 34140672

約数和(自身を除く): 13783197

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 3823, 5325, 11469, 19115, 57345, 95575, 271433, 286725, 814299, 1357165, 4071495, 6785825, 20357475]

約数ペア:

[(1, 20357475), (3, 6785825), (5, 4071495), (15, 1357165), (25, 814299), (71, 286725), (75, 271433), (213, 95575), (355, 57345), (1065, 19115), (1775, 11469), (3823, 5325)]