20796025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 27408960

約数和(自身を除く): 6612935

約数列:

[1, 5, 23, 25, 59, 115, 295, 575, 613, 1357, 1475, 3065, 6785, 14099, 15325, 33925, 36167, 70495, 180835, 352475, 831841, 904175, 4159205, 20796025]

約数ペア:

[(1, 20796025), (5, 4159205), (23, 904175), (25, 831841), (59, 352475), (115, 180835), (295, 70495), (575, 36167), (613, 33925), (1357, 15325), (1475, 14099), (3065, 6785)]