20186975980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1831849}}^1$

素因数の和:1831906

約数の個数: 48

約数和(自身を含む): 46162620000

約数和(自身を除く): 25975644020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 11020, 1831849, 3663698, 7327396, 9159245, 18318490, 34805131, 36636980, 53123621, 69610262, 106247242, 139220524, 174025655, 212494484, 265618105, 348051310, 531236210, 696102620, 1009348799, 1062472420, 2018697598, 4037395196, 5046743995, 10093487990, 20186975980]

約数ペア:

[(1, 20186975980), (2, 10093487990), (4, 5046743995), (5, 4037395196), (10, 2018697598), (19, 1062472420), (20, 1009348799), (29, 696102620), (38, 531236210), (58, 348051310), (76, 265618105), (95, 212494484), (116, 174025655), (145, 139220524), (190, 106247242), (290, 69610262), (380, 53123621), (551, 36636980), (580, 34805131), (1102, 18318490), (2204, 9159245), (2755, 7327396), (5510, 3663698), (11020, 1831849)]