20734525

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 29680640

約数和(自身を除く): 8946115

約数列:

[1, 5, 7, 25, 35, 109, 175, 545, 763, 1087, 2725, 3815, 5435, 7609, 19075, 27175, 38045, 118483, 190225, 592415, 829381, 2962075, 4146905, 20734525]

約数ペア:

[(1, 20734525), (5, 4146905), (7, 2962075), (25, 829381), (35, 592415), (109, 190225), (175, 118483), (545, 38045), (763, 27175), (1087, 19075), (2725, 7609), (3815, 5435)]