20676125

素因数分解:

$5^3\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:925

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5269795

約数列:

[1, 5, 25, 125, 251, 659, 1255, 3295, 6275, 16475, 31375, 82375, 165409, 827045, 4135225, 20676125]

約数ペア:

[(1, 20676125), (5, 4135225), (25, 827045), (125, 165409), (251, 82375), (659, 31375), (1255, 16475), (3295, 6275)]