20356008

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 52859520

約数和(自身を除く): 32503512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 137, 151, 164, 246, 274, 302, 328, 411, 453, 492, 548, 604, 822, 906, 984, 1096, 1208, 1644, 1812, 3288, 3624, 5617, 6191, 11234, 12382, 16851, 18573, 20687, 22468, 24764, 33702, 37146, 41374, 44936, 49528, 62061, 67404, 74292, 82748, 124122, 134808, 148584, 165496, 248244, 496488, 848167, 1696334, 2544501, 3392668, 5089002, 6785336, 10178004, 20356008]

約数ペア:

[(1, 20356008), (2, 10178004), (3, 6785336), (4, 5089002), (6, 3392668), (8, 2544501), (12, 1696334), (24, 848167), (41, 496488), (82, 248244), (123, 165496), (137, 148584), (151, 134808), (164, 124122), (246, 82748), (274, 74292), (302, 67404), (328, 62061), (411, 49528), (453, 44936), (492, 41374), (548, 37146), (604, 33702), (822, 24764), (906, 22468), (984, 20687), (1096, 18573), (1208, 16851), (1644, 12382), (1812, 11234), (3288, 6191), (3624, 5617)]