20512225812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{12149}}^1$

素因数の和:12385

約数の個数: 96

約数和(自身を含む): 52581312000

約数和(自身を除く): 32069086188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 79, 137, 156, 158, 237, 274, 316, 411, 474, 548, 822, 948, 1027, 1644, 1781, 2054, 3081, 3562, 4108, 5343, 6162, 7124, 10686, 10823, 12149, 12324, 21372, 21646, 24298, 32469, 36447, 43292, 48596, 64938, 72894, 129876, 140699, 145788, 157937, 281398, 315874, 422097, 473811, 562796, 631748, 844194, 947622, 959771, 1664413, 1688388, 1895244, 1919542, 2879313, 3328826, 3839084, 4993239, 5758626, 6657652, 9986478, 11517252, 12477023, 19972956, 21637369, 24954046, 37431069, 43274738, 49908092, 64912107, 74862138, 86549476, 129824214, 131488627, 149724276, 259648428, 262977254, 394465881, 525954508, 788931762, 1577863524, 1709352151, 3418704302, 5128056453, 6837408604, 10256112906, 20512225812]

約数ペア:

[(1, 20512225812), (2, 10256112906), (3, 6837408604), (4, 5128056453), (6, 3418704302), (12, 1709352151), (13, 1577863524), (26, 788931762), (39, 525954508), (52, 394465881), (78, 262977254), (79, 259648428), (137, 149724276), (156, 131488627), (158, 129824214), (237, 86549476), (274, 74862138), (316, 64912107), (411, 49908092), (474, 43274738), (548, 37431069), (822, 24954046), (948, 21637369), (1027, 19972956), (1644, 12477023), (1781, 11517252), (2054, 9986478), (3081, 6657652), (3562, 5758626), (4108, 4993239), (5343, 3839084), (6162, 3328826), (7124, 2879313), (10686, 1919542), (10823, 1895244), (12149, 1688388), (12324, 1664413), (21372, 959771), (21646, 947622), (24298, 844194), (32469, 631748), (36447, 562796), (43292, 473811), (48596, 422097), (64938, 315874), (72894, 281398), (129876, 157937), (140699, 145788)]