20216280460

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1427}}^1\times {\mathrm{2503}}^1$

素因数の和:4222

約数の個数: 48

約数和(自身を含む): 42651092736

約数和(自身を除く): 22434812276

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 1427, 2503, 2830, 2854, 5006, 5660, 5708, 7135, 10012, 12515, 14270, 25030, 28540, 50060, 403841, 708349, 807682, 1416698, 1615364, 2019205, 2833396, 3541745, 3571781, 4038410, 7083490, 7143562, 8076820, 14166980, 14287124, 17858905, 35717810, 71435620, 1010814023, 2021628046, 4043256092, 5054070115, 10108140230, 20216280460]

約数ペア:

[(1, 20216280460), (2, 10108140230), (4, 5054070115), (5, 4043256092), (10, 2021628046), (20, 1010814023), (283, 71435620), (566, 35717810), (1132, 17858905), (1415, 14287124), (1427, 14166980), (2503, 8076820), (2830, 7143562), (2854, 7083490), (5006, 4038410), (5660, 3571781), (5708, 3541745), (7135, 2833396), (10012, 2019205), (12515, 1615364), (14270, 1416698), (25030, 807682), (28540, 708349), (50060, 403841)]