20324580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2437}}^1$

素因数の和:2588

約数の個数: 48

約数和(自身を含む): 57341760

約数和(自身を除く): 37017180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2437, 2780, 4170, 4874, 7311, 8340, 9748, 12185, 14622, 24370, 29244, 36555, 48740, 73110, 146220, 338743, 677486, 1016229, 1354972, 1693715, 2032458, 3387430, 4064916, 5081145, 6774860, 10162290, 20324580]

約数ペア:

[(1, 20324580), (2, 10162290), (3, 6774860), (4, 5081145), (5, 4064916), (6, 3387430), (10, 2032458), (12, 1693715), (15, 1354972), (20, 1016229), (30, 677486), (60, 338743), (139, 146220), (278, 73110), (417, 48740), (556, 36555), (695, 29244), (834, 24370), (1390, 14622), (1668, 12185), (2085, 9748), (2437, 8340), (2780, 7311), (4170, 4874)]