20586490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1459}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 39735360

約数和(自身を除く): 19148870

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 1459, 2822, 2918, 7055, 7295, 14110, 14590, 24803, 49606, 121097, 124015, 242194, 248030, 605485, 1210970, 2058649, 4117298, 10293245, 20586490]

約数ペア:

[(1, 20586490), (2, 10293245), (5, 4117298), (10, 2058649), (17, 1210970), (34, 605485), (83, 248030), (85, 242194), (166, 124015), (170, 121097), (415, 49606), (830, 24803), (1411, 14590), (1459, 14110), (2822, 7295), (2918, 7055)]