20793550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1439}}^1$

素因数の和:1485

約数の個数: 36

約数和(自身を含む): 41113440

約数和(自身を除く): 20319890

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1439, 1445, 2878, 2890, 7195, 7225, 14390, 14450, 24463, 35975, 48926, 71950, 122315, 244630, 415871, 611575, 831742, 1223150, 2079355, 4158710, 10396775, 20793550]

約数ペア:

[(1, 20793550), (2, 10396775), (5, 4158710), (10, 2079355), (17, 1223150), (25, 831742), (34, 611575), (50, 415871), (85, 244630), (170, 122315), (289, 71950), (425, 48926), (578, 35975), (850, 24463), (1439, 14450), (1445, 14390), (2878, 7225), (2890, 7195)]