20104657672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1\times {\mathrm{2207}}^1$

素因数の和:3982

約数の個数: 64

約数和(自身を含む): 41840893440

約数和(自身を除く): 21736235768

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 1697, 2207, 2684, 3394, 4414, 5368, 6788, 8828, 13576, 17656, 18667, 24277, 37334, 48554, 74668, 97108, 103517, 134627, 149336, 194216, 207034, 269254, 414068, 538508, 828136, 1077016, 1138687, 1480897, 2277374, 2961794, 3745279, 4554748, 5923588, 7490558, 9109496, 11847176, 14981116, 29962232, 41198069, 82396138, 164792276, 228462019, 329584552, 456924038, 913848076, 1827696152, 2513082209, 5026164418, 10052328836, 20104657672]

約数ペア:

[(1, 20104657672), (2, 10052328836), (4, 5026164418), (8, 2513082209), (11, 1827696152), (22, 913848076), (44, 456924038), (61, 329584552), (88, 228462019), (122, 164792276), (244, 82396138), (488, 41198069), (671, 29962232), (1342, 14981116), (1697, 11847176), (2207, 9109496), (2684, 7490558), (3394, 5923588), (4414, 4554748), (5368, 3745279), (6788, 2961794), (8828, 2277374), (13576, 1480897), (17656, 1138687), (18667, 1077016), (24277, 828136), (37334, 538508), (48554, 414068), (74668, 269254), (97108, 207034), (103517, 194216), (134627, 149336)]