20512397568

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1645

約数の個数: 288

約数和(自身を含む): 62799528960

約数和(自身を除く): 42287131392

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 71, 76, 78, 96, 104, 114, 128, 142, 152, 156, 192, 208, 213, 228, 247, 256, 284, 304, 312, 384, 416, 426, 456, 494, 568, 608, 624, 741, 768, 832, 852, 912, 923, 988, 1136, 1216, 1248, 1349, 1482, 1523, 1664, 1704, 1824, 1846, 1976, 2272, 2432, 2496, 2698, 2769, 2964, 3046, 3328, 3408, 3648, 3692, 3952, 4047, 4544, 4569, 4864, 4992, 5396, 5538, 5928, 6092, 6816, 7296, 7384, 7904, 8094, 9088, 9138, 9984, 10792, 11076, 11856, 12184, 13632, 14592, 14768, 15808, 16188, 17537, 18176, 18276, 19799, 21584, 22152, 23712, 24368, 27264, 28937, 29536, 31616, 32376, 35074, 36552, 39598, 43168, 44304, 47424, 48736, 52611, 54528, 57874, 59072, 59397, 63232, 64752, 70148, 73104, 79196, 86336, 86811, 88608, 94848, 97472, 105222, 108133, 115748, 118144, 118794, 129504, 140296, 146208, 158392, 172672, 173622, 177216, 189696, 194944, 210444, 216266, 231496, 236288, 237588, 259008, 280592, 292416, 316784, 324399, 345344, 347244, 354432, 376181, 389888, 420888, 432532, 462992, 475176, 518016, 561184, 584832, 633568, 648798, 694488, 708864, 752362, 841776, 865064, 925984, 950352, 1036032, 1122368, 1128543, 1169664, 1267136, 1297596, 1388976, 1405729, 1504724, 1683552, 1730128, 1851968, 1900704, 2054527, 2244736, 2257086, 2534272, 2595192, 2777952, 2811458, 3009448, 3367104, 3460256, 3703936, 3801408, 4109054, 4217187, 4489472, 4514172, 5068544, 5190384, 5555904, 5622916, 6018896, 6163581, 6734208, 6920512, 7407872, 7602816, 8218108, 8434374, 9028344, 10380768, 11111808, 11245832, 12037792, 12327162, 13468416, 13841024, 15205632, 16436216, 16868748, 18056688, 20761536, 22223616, 22491664, 24075584, 24654324, 26708851, 27682048, 32872432, 33737496, 36113376, 41523072, 44983328, 48151168, 49308648, 53417702, 65744864, 67474992, 72226752, 80126553, 83046144, 89966656, 96302336, 98617296, 106835404, 131489728, 134949984, 144453504, 160253106, 179933312, 197234592, 213670808, 262979456, 269899968, 288907008, 320506212, 359866624, 394469184, 427341616, 525958912, 539799936, 641012424, 788938368, 854683232, 1079599872, 1282024848, 1577876736, 1709366464, 2564049696, 3418732928, 5128099392, 6837465856, 10256198784, 20512397568]

約数ペア:

[(1, 20512397568), (2, 10256198784), (3, 6837465856), (4, 5128099392), (6, 3418732928), (8, 2564049696), (12, 1709366464), (13, 1577876736), (16, 1282024848), (19, 1079599872), (24, 854683232), (26, 788938368), (32, 641012424), (38, 539799936), (39, 525958912), (48, 427341616), (52, 394469184), (57, 359866624), (64, 320506212), (71, 288907008), (76, 269899968), (78, 262979456), (96, 213670808), (104, 197234592), (114, 179933312), (128, 160253106), (142, 144453504), (152, 134949984), (156, 131489728), (192, 106835404), (208, 98617296), (213, 96302336), (228, 89966656), (247, 83046144), (256, 80126553), (284, 72226752), (304, 67474992), (312, 65744864), (384, 53417702), (416, 49308648), (426, 48151168), (456, 44983328), (494, 41523072), (568, 36113376), (608, 33737496), (624, 32872432), (741, 27682048), (768, 26708851), (832, 24654324), (852, 24075584), (912, 22491664), (923, 22223616), (988, 20761536), (1136, 18056688), (1216, 16868748), (1248, 16436216), (1349, 15205632), (1482, 13841024), (1523, 13468416), (1664, 12327162), (1704, 12037792), (1824, 11245832), (1846, 11111808), (1976, 10380768), (2272, 9028344), (2432, 8434374), (2496, 8218108), (2698, 7602816), (2769, 7407872), (2964, 6920512), (3046, 6734208), (3328, 6163581), (3408, 6018896), (3648, 5622916), (3692, 5555904), (3952, 5190384), (4047, 5068544), (4544, 4514172), (4569, 4489472), (4864, 4217187), (4992, 4109054), (5396, 3801408), (5538, 3703936), (5928, 3460256), (6092, 3367104), (6816, 3009448), (7296, 2811458), (7384, 2777952), (7904, 2595192), (8094, 2534272), (9088, 2257086), (9138, 2244736), (9984, 2054527), (10792, 1900704), (11076, 1851968), (11856, 1730128), (12184, 1683552), (13632, 1504724), (14592, 1405729), (14768, 1388976), (15808, 1297596), (16188, 1267136), (17537, 1169664), (18176, 1128543), (18276, 1122368), (19799, 1036032), (21584, 950352), (22152, 925984), (23712, 865064), (24368, 841776), (27264, 752362), (28937, 708864), (29536, 694488), (31616, 648798), (32376, 633568), (35074, 584832), (36552, 561184), (39598, 518016), (43168, 475176), (44304, 462992), (47424, 432532), (48736, 420888), (52611, 389888), (54528, 376181), (57874, 354432), (59072, 347244), (59397, 345344), (63232, 324399), (64752, 316784), (70148, 292416), (73104, 280592), (79196, 259008), (86336, 237588), (86811, 236288), (88608, 231496), (94848, 216266), (97472, 210444), (105222, 194944), (108133, 189696), (115748, 177216), (118144, 173622), (118794, 172672), (129504, 158392), (140296, 146208)]