20886670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10289}}^1$

素因数の和:10332

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 23566130

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10289, 20578, 51445, 72023, 102890, 144046, 298381, 360115, 596762, 720230, 1491905, 2088667, 2983810, 4177334, 10443335, 20886670]

約数ペア:

[(1, 20886670), (2, 10443335), (5, 4177334), (7, 2983810), (10, 2088667), (14, 1491905), (29, 720230), (35, 596762), (58, 360115), (70, 298381), (145, 144046), (203, 102890), (290, 72023), (406, 51445), (1015, 20578), (2030, 10289)]