20508503808

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{6691}}^1$

素因数の和:7030

約数の個数: 144

約数和(自身を含む): 58981467776

約数和(自身を除く): 38472963968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 307, 312, 384, 416, 614, 624, 768, 832, 921, 1228, 1248, 1664, 1842, 2456, 2496, 3328, 3684, 3991, 4912, 4992, 6691, 7368, 7982, 9824, 9984, 11973, 13382, 14736, 15964, 19648, 20073, 23946, 26764, 29472, 31928, 39296, 40146, 47892, 53528, 58944, 63856, 78592, 80292, 86983, 95784, 107056, 117888, 127712, 160584, 173966, 191568, 214112, 235776, 255424, 260949, 321168, 347932, 383136, 428224, 510848, 521898, 642336, 695864, 766272, 856448, 1021696, 1043796, 1284672, 1391728, 1532544, 1712896, 2054137, 2087592, 2569344, 2783456, 3065088, 4108274, 4175184, 5138688, 5566912, 6162411, 8216548, 8350368, 11133824, 12324822, 16433096, 16700736, 22267648, 24649644, 26703781, 32866192, 33401472, 49299288, 53407562, 65732384, 66802944, 80111343, 98598576, 106815124, 131464768, 160222686, 197197152, 213630248, 262929536, 320445372, 394394304, 427260496, 525859072, 640890744, 788788608, 854520992, 1281781488, 1577577216, 1709041984, 2563562976, 3418083968, 5127125952, 6836167936, 10254251904, 20508503808]

約数ペア:

[(1, 20508503808), (2, 10254251904), (3, 6836167936), (4, 5127125952), (6, 3418083968), (8, 2563562976), (12, 1709041984), (13, 1577577216), (16, 1281781488), (24, 854520992), (26, 788788608), (32, 640890744), (39, 525859072), (48, 427260496), (52, 394394304), (64, 320445372), (78, 262929536), (96, 213630248), (104, 197197152), (128, 160222686), (156, 131464768), (192, 106815124), (208, 98598576), (256, 80111343), (307, 66802944), (312, 65732384), (384, 53407562), (416, 49299288), (614, 33401472), (624, 32866192), (768, 26703781), (832, 24649644), (921, 22267648), (1228, 16700736), (1248, 16433096), (1664, 12324822), (1842, 11133824), (2456, 8350368), (2496, 8216548), (3328, 6162411), (3684, 5566912), (3991, 5138688), (4912, 4175184), (4992, 4108274), (6691, 3065088), (7368, 2783456), (7982, 2569344), (9824, 2087592), (9984, 2054137), (11973, 1712896), (13382, 1532544), (14736, 1391728), (15964, 1284672), (19648, 1043796), (20073, 1021696), (23946, 856448), (26764, 766272), (29472, 695864), (31928, 642336), (39296, 521898), (40146, 510848), (47892, 428224), (53528, 383136), (58944, 347932), (63856, 321168), (78592, 260949), (80292, 255424), (86983, 235776), (95784, 214112), (107056, 191568), (117888, 173966), (127712, 160584)]