20338860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11689}}^1$

素因数の和:11730

約数の個数: 48

約数和(自身を含む): 58917600

約数和(自身を除く): 38578740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 11689, 23378, 35067, 46756, 58445, 70134, 116890, 140268, 175335, 233780, 338981, 350670, 677962, 701340, 1016943, 1355924, 1694905, 2033886, 3389810, 4067772, 5084715, 6779620, 10169430, 20338860]

約数ペア:

[(1, 20338860), (2, 10169430), (3, 6779620), (4, 5084715), (5, 4067772), (6, 3389810), (10, 2033886), (12, 1694905), (15, 1355924), (20, 1016943), (29, 701340), (30, 677962), (58, 350670), (60, 338981), (87, 233780), (116, 175335), (145, 140268), (174, 116890), (290, 70134), (348, 58445), (435, 46756), (580, 35067), (870, 23378), (1740, 11689)]