20237650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:879

約数の個数: 48

約数和(自身を含む): 41280840

約数和(自身を除く): 21043190

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 145, 170, 290, 425, 493, 725, 821, 850, 986, 1450, 1642, 2465, 4105, 4930, 8210, 12325, 13957, 20525, 23809, 24650, 27914, 41050, 47618, 69785, 119045, 139570, 238090, 348925, 404753, 595225, 697850, 809506, 1190450, 2023765, 4047530, 10118825, 20237650]

約数ペア:

[(1, 20237650), (2, 10118825), (5, 4047530), (10, 2023765), (17, 1190450), (25, 809506), (29, 697850), (34, 595225), (50, 404753), (58, 348925), (85, 238090), (145, 139570), (170, 119045), (290, 69785), (425, 47618), (493, 41050), (725, 27914), (821, 24650), (850, 23809), (986, 20525), (1450, 13957), (1642, 12325), (2465, 8210), (4105, 4930)]