20704075

素因数分解:

$5^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{613}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 29540768

約数和(自身を除く): 8836693

約数列:

[1, 5, 7, 25, 35, 175, 193, 613, 965, 1351, 3065, 4291, 4825, 6755, 15325, 21455, 33775, 107275, 118309, 591545, 828163, 2957725, 4140815, 20704075]

約数ペア:

[(1, 20704075), (5, 4140815), (7, 2957725), (25, 828163), (35, 591545), (175, 118309), (193, 107275), (613, 33775), (965, 21455), (1351, 15325), (3065, 6755), (4291, 4825)]