20314475

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{19819}}^1$

素因数の和:19870

約数の個数: 12

約数和(自身を含む): 25805640

約数和(自身を除く): 5491165

約数列:

[1, 5, 25, 41, 205, 1025, 19819, 99095, 495475, 812579, 4062895, 20314475]

約数ペア:

[(1, 20314475), (5, 4062895), (25, 812579), (41, 495475), (205, 99095), (1025, 19819)]