20428584

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 35696856

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 223, 264, 347, 446, 669, 694, 892, 1041, 1338, 1388, 1784, 2082, 2453, 2676, 2776, 3817, 4164, 4906, 5352, 7359, 7634, 8328, 9812, 11451, 14718, 15268, 19624, 22902, 29436, 30536, 45804, 58872, 77381, 91608, 154762, 232143, 309524, 464286, 619048, 851191, 928572, 1702382, 1857144, 2553573, 3404764, 5107146, 6809528, 10214292, 20428584]

約数ペア:

[(1, 20428584), (2, 10214292), (3, 6809528), (4, 5107146), (6, 3404764), (8, 2553573), (11, 1857144), (12, 1702382), (22, 928572), (24, 851191), (33, 619048), (44, 464286), (66, 309524), (88, 232143), (132, 154762), (223, 91608), (264, 77381), (347, 58872), (446, 45804), (669, 30536), (694, 29436), (892, 22902), (1041, 19624), (1338, 15268), (1388, 14718), (1784, 11451), (2082, 9812), (2453, 8328), (2676, 7634), (2776, 7359), (3817, 5352), (4164, 4906)]