20851675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:879

約数の個数: 24

約数和(自身を含む): 28216944

約数和(自身を除く): 7365269

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 773, 1079, 2075, 3865, 5395, 10049, 19325, 26975, 50245, 64159, 251225, 320795, 834067, 1603975, 4170335, 20851675]

約数ペア:

[(1, 20851675), (5, 4170335), (13, 1603975), (25, 834067), (65, 320795), (83, 251225), (325, 64159), (415, 50245), (773, 26975), (1079, 19325), (2075, 10049), (3865, 5395)]