20816909184

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:573

約数の個数: 256

約数和(自身を含む): 59327769600

約数和(自身を除く): 38510860416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 71, 89, 92, 96, 128, 138, 142, 178, 184, 192, 213, 267, 276, 284, 356, 368, 373, 384, 426, 534, 552, 568, 712, 736, 746, 852, 1068, 1104, 1119, 1136, 1424, 1472, 1492, 1633, 1704, 2047, 2136, 2208, 2238, 2272, 2848, 2944, 2984, 3266, 3408, 4094, 4272, 4416, 4476, 4544, 4899, 5696, 5968, 6141, 6319, 6532, 6816, 8188, 8544, 8579, 8832, 8952, 9088, 9798, 11392, 11936, 12282, 12638, 13064, 13632, 16376, 17088, 17158, 17904, 18957, 19596, 23872, 24564, 25276, 25737, 26128, 26483, 27264, 32752, 33197, 34176, 34316, 35808, 37914, 39192, 47744, 49128, 50552, 51474, 52256, 52966, 65504, 66394, 68632, 71616, 75828, 78384, 79449, 98256, 99591, 101104, 102948, 104512, 105932, 131008, 132788, 137264, 143232, 145337, 151656, 156768, 158898, 196512, 199182, 202208, 205896, 209024, 211864, 262016, 265576, 274528, 290674, 303312, 313536, 317796, 393024, 398364, 404416, 411792, 423728, 436011, 531152, 549056, 581348, 606624, 609109, 627072, 635592, 763531, 786048, 796728, 808832, 823584, 847456, 872022, 1062304, 1098112, 1162696, 1213248, 1218218, 1271184, 1527062, 1593456, 1647168, 1694912, 1744044, 1827327, 2124608, 2290593, 2325392, 2356987, 2426496, 2436436, 2542368, 3054124, 3186912, 3294336, 3389824, 3488088, 3654654, 4249216, 4581186, 4650784, 4713974, 4872872, 5084736, 6108248, 6373824, 6976176, 7070961, 7309308, 9162372, 9301568, 9427948, 9745744, 10169472, 12216496, 12747648, 13952352, 14141922, 14618616, 18324744, 18603136, 18855896, 19491488, 24432992, 27904704, 28283844, 29237232, 36649488, 37711792, 38982976, 48865984, 54210701, 55809408, 56567688, 58474464, 73298976, 75423584, 77965952, 97731968, 108421402, 113135376, 116948928, 146597952, 150847168, 162632103, 216842804, 226270752, 233897856, 293195904, 301694336, 325264206, 433685608, 452541504, 650528412, 867371216, 905083008, 1301056824, 1734742432, 2602113648, 3469484864, 5204227296, 6938969728, 10408454592, 20816909184]

約数ペア:

[(1, 20816909184), (2, 10408454592), (3, 6938969728), (4, 5204227296), (6, 3469484864), (8, 2602113648), (12, 1734742432), (16, 1301056824), (23, 905083008), (24, 867371216), (32, 650528412), (46, 452541504), (48, 433685608), (64, 325264206), (69, 301694336), (71, 293195904), (89, 233897856), (92, 226270752), (96, 216842804), (128, 162632103), (138, 150847168), (142, 146597952), (178, 116948928), (184, 113135376), (192, 108421402), (213, 97731968), (267, 77965952), (276, 75423584), (284, 73298976), (356, 58474464), (368, 56567688), (373, 55809408), (384, 54210701), (426, 48865984), (534, 38982976), (552, 37711792), (568, 36649488), (712, 29237232), (736, 28283844), (746, 27904704), (852, 24432992), (1068, 19491488), (1104, 18855896), (1119, 18603136), (1136, 18324744), (1424, 14618616), (1472, 14141922), (1492, 13952352), (1633, 12747648), (1704, 12216496), (2047, 10169472), (2136, 9745744), (2208, 9427948), (2238, 9301568), (2272, 9162372), (2848, 7309308), (2944, 7070961), (2984, 6976176), (3266, 6373824), (3408, 6108248), (4094, 5084736), (4272, 4872872), (4416, 4713974), (4476, 4650784), (4544, 4581186), (4899, 4249216), (5696, 3654654), (5968, 3488088), (6141, 3389824), (6319, 3294336), (6532, 3186912), (6816, 3054124), (8188, 2542368), (8544, 2436436), (8579, 2426496), (8832, 2356987), (8952, 2325392), (9088, 2290593), (9798, 2124608), (11392, 1827327), (11936, 1744044), (12282, 1694912), (12638, 1647168), (13064, 1593456), (13632, 1527062), (16376, 1271184), (17088, 1218218), (17158, 1213248), (17904, 1162696), (18957, 1098112), (19596, 1062304), (23872, 872022), (24564, 847456), (25276, 823584), (25737, 808832), (26128, 796728), (26483, 786048), (27264, 763531), (32752, 635592), (33197, 627072), (34176, 609109), (34316, 606624), (35808, 581348), (37914, 549056), (39192, 531152), (47744, 436011), (49128, 423728), (50552, 411792), (51474, 404416), (52256, 398364), (52966, 393024), (65504, 317796), (66394, 313536), (68632, 303312), (71616, 290674), (75828, 274528), (78384, 265576), (79449, 262016), (98256, 211864), (99591, 209024), (101104, 205896), (102948, 202208), (104512, 199182), (105932, 196512), (131008, 158898), (132788, 156768), (137264, 151656), (143232, 145337)]