20698824

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 34044216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 43, 62, 86, 93, 124, 129, 172, 186, 248, 258, 344, 372, 516, 647, 744, 1032, 1294, 1333, 1941, 2588, 2666, 3882, 3999, 5176, 5332, 7764, 7998, 10664, 15528, 15996, 20057, 27821, 31992, 40114, 55642, 60171, 80228, 83463, 111284, 120342, 160456, 166926, 222568, 240684, 333852, 481368, 667704, 862451, 1724902, 2587353, 3449804, 5174706, 6899608, 10349412, 20698824]

約数ペア:

[(1, 20698824), (2, 10349412), (3, 6899608), (4, 5174706), (6, 3449804), (8, 2587353), (12, 1724902), (24, 862451), (31, 667704), (43, 481368), (62, 333852), (86, 240684), (93, 222568), (124, 166926), (129, 160456), (172, 120342), (186, 111284), (248, 83463), (258, 80228), (344, 60171), (372, 55642), (516, 40114), (647, 31992), (744, 27821), (1032, 20057), (1294, 15996), (1333, 15528), (1941, 10664), (2588, 7998), (2666, 7764), (3882, 5332), (3999, 5176)]