20796610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1723}}^1$

素因数の和:1818

約数の個数: 32

約数和(自身を含む): 40217472

約数和(自身を除く): 19420862

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 1723, 2414, 3446, 6035, 8615, 12070, 17230, 29291, 58582, 122333, 146455, 244666, 292910, 611665, 1223330, 2079661, 4159322, 10398305, 20796610]

約数ペア:

[(1, 20796610), (2, 10398305), (5, 4159322), (10, 2079661), (17, 1223330), (34, 611665), (71, 292910), (85, 244666), (142, 146455), (170, 122333), (355, 58582), (710, 29291), (1207, 17230), (1723, 12070), (2414, 8615), (3446, 6035)]