20677620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11117}}^1$

素因数の和:11160

約数の個数: 48

約数和(自身を含む): 59770368

約数和(自身を除く): 39092748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11117, 22234, 33351, 44468, 55585, 66702, 111170, 133404, 166755, 222340, 333510, 344627, 667020, 689254, 1033881, 1378508, 1723135, 2067762, 3446270, 4135524, 5169405, 6892540, 10338810, 20677620]

約数ペア:

[(1, 20677620), (2, 10338810), (3, 6892540), (4, 5169405), (5, 4135524), (6, 3446270), (10, 2067762), (12, 1723135), (15, 1378508), (20, 1033881), (30, 689254), (31, 667020), (60, 344627), (62, 333510), (93, 222340), (124, 166755), (155, 133404), (186, 111170), (310, 66702), (372, 55585), (465, 44468), (620, 33351), (930, 22234), (1860, 11117)]