20071375

素因数分解:

$5^3\times {\mathrm{211}}^1\times {\mathrm{761}}^1$

素因数の和:987

約数の個数: 16

約数和(自身を含む): 25200864

約数和(自身を除く): 5129489

約数列:

[1, 5, 25, 125, 211, 761, 1055, 3805, 5275, 19025, 26375, 95125, 160571, 802855, 4014275, 20071375]

約数ペア:

[(1, 20071375), (5, 4014275), (25, 802855), (125, 160571), (211, 95125), (761, 26375), (1055, 19025), (3805, 5275)]