20403979776

素因数分解:

$2^9\times 3^2\times {\mathrm{31}}^1\times {\mathrm{142837}}^1$

素因数の和:142892

約数の個数: 120

約数和(自身を含む): 60787281984

約数和(自身を除く): 40383302208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 512, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1536, 1984, 2232, 2304, 2976, 3968, 4464, 4608, 5952, 7936, 8928, 11904, 15872, 17856, 23808, 35712, 47616, 71424, 142837, 142848, 285674, 428511, 571348, 857022, 1142696, 1285533, 1714044, 2285392, 2571066, 3428088, 4427947, 4570784, 5142132, 6856176, 8855894, 9141568, 10284264, 13283841, 13712352, 17711788, 18283136, 20568528, 26567682, 27424704, 35423576, 36566272, 39851523, 41137056, 53135364, 54849408, 70847152, 73132544, 79703046, 82274112, 106270728, 109698816, 141694304, 159406092, 164548224, 212541456, 219397632, 283388608, 318812184, 329096448, 425082912, 566777216, 637624368, 658192896, 850165824, 1133554432, 1275248736, 1700331648, 2267108864, 2550497472, 3400663296, 5100994944, 6801326592, 10201989888, 20403979776]

約数ペア:

[(1, 20403979776), (2, 10201989888), (3, 6801326592), (4, 5100994944), (6, 3400663296), (8, 2550497472), (9, 2267108864), (12, 1700331648), (16, 1275248736), (18, 1133554432), (24, 850165824), (31, 658192896), (32, 637624368), (36, 566777216), (48, 425082912), (62, 329096448), (64, 318812184), (72, 283388608), (93, 219397632), (96, 212541456), (124, 164548224), (128, 159406092), (144, 141694304), (186, 109698816), (192, 106270728), (248, 82274112), (256, 79703046), (279, 73132544), (288, 70847152), (372, 54849408), (384, 53135364), (496, 41137056), (512, 39851523), (558, 36566272), (576, 35423576), (744, 27424704), (768, 26567682), (992, 20568528), (1116, 18283136), (1152, 17711788), (1488, 13712352), (1536, 13283841), (1984, 10284264), (2232, 9141568), (2304, 8855894), (2976, 6856176), (3968, 5142132), (4464, 4570784), (4608, 4427947), (5952, 3428088), (7936, 2571066), (8928, 2285392), (11904, 1714044), (15872, 1285533), (17856, 1142696), (23808, 857022), (35712, 571348), (47616, 428511), (71424, 285674), (142837, 142848)]