20697375

素因数分解:

$3^1\times 5^3\times {\mathrm{97}}^1\times {\mathrm{569}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 34856640

約数和(自身を除く): 14159265

約数列:

[1, 3, 5, 15, 25, 75, 97, 125, 291, 375, 485, 569, 1455, 1707, 2425, 2845, 7275, 8535, 12125, 14225, 36375, 42675, 55193, 71125, 165579, 213375, 275965, 827895, 1379825, 4139475, 6899125, 20697375]

約数ペア:

[(1, 20697375), (3, 6899125), (5, 4139475), (15, 1379825), (25, 827895), (75, 275965), (97, 213375), (125, 165579), (291, 71125), (375, 55193), (485, 42675), (569, 36375), (1455, 14225), (1707, 12125), (2425, 8535), (2845, 7275)]