20127172978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{457}}^1$

素因数の和:979

約数の個数: 64

約数和(自身を含む): 34137282816

約数和(自身を除く): 14010109838

約数列:

[1, 2, 11, 22, 41, 82, 157, 311, 314, 451, 457, 622, 902, 914, 1727, 3421, 3454, 5027, 6437, 6842, 10054, 12751, 12874, 18737, 25502, 37474, 48827, 70807, 71749, 97654, 140261, 141614, 142127, 143498, 206107, 280522, 284254, 412214, 537097, 789239, 1074194, 1563397, 1578478, 2001907, 2941709, 3126794, 4003814, 5827207, 5883418, 11654414, 22020977, 22313939, 32358799, 44041954, 44627878, 64099277, 64717598, 128198554, 245453329, 490906658, 914871499, 1829742998, 10063586489, 20127172978]

約数ペア:

[(1, 20127172978), (2, 10063586489), (11, 1829742998), (22, 914871499), (41, 490906658), (82, 245453329), (157, 128198554), (311, 64717598), (314, 64099277), (451, 44627878), (457, 44041954), (622, 32358799), (902, 22313939), (914, 22020977), (1727, 11654414), (3421, 5883418), (3454, 5827207), (5027, 4003814), (6437, 3126794), (6842, 2941709), (10054, 2001907), (12751, 1578478), (12874, 1563397), (18737, 1074194), (25502, 789239), (37474, 537097), (48827, 412214), (70807, 284254), (71749, 280522), (97654, 206107), (140261, 143498), (141614, 142127)]