20761375

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{4051}}^1$

素因数の和:4107

約数の個数: 16

約数和(自身を含む): 26548704

約数和(自身を除く): 5787329

約数列:

[1, 5, 25, 41, 125, 205, 1025, 4051, 5125, 20255, 101275, 166091, 506375, 830455, 4152275, 20761375]

約数ペア:

[(1, 20761375), (5, 4152275), (25, 830455), (41, 506375), (125, 166091), (205, 101275), (1025, 20255), (4051, 5125)]