20168093440

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21379}}^1$

素因数の和:21478

約数の個数: 144

約数和(自身を含む): 53489681280

約数和(自身を除く): 33321587840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 67, 80, 88, 110, 128, 134, 160, 176, 220, 256, 268, 320, 335, 352, 440, 536, 640, 670, 704, 737, 880, 1072, 1280, 1340, 1408, 1474, 1760, 2144, 2680, 2816, 2948, 3520, 3685, 4288, 5360, 5896, 7040, 7370, 8576, 10720, 11792, 14080, 14740, 17152, 21379, 21440, 23584, 29480, 42758, 42880, 47168, 58960, 85516, 85760, 94336, 106895, 117920, 171032, 188672, 213790, 235169, 235840, 342064, 427580, 470338, 471680, 684128, 855160, 940676, 943360, 1175845, 1368256, 1432393, 1710320, 1881352, 2351690, 2736512, 2864786, 3420640, 3762704, 4703380, 5473024, 5729572, 6841280, 7161965, 7525408, 9406760, 11459144, 13682560, 14323930, 15050816, 15756323, 18813520, 22918288, 27365120, 28647860, 30101632, 31512646, 37627040, 45836576, 57295720, 60203264, 63025292, 75254080, 78781615, 91673152, 114591440, 126050584, 150508160, 157563230, 183346304, 229182880, 252101168, 301016320, 315126460, 366692608, 458365760, 504202336, 630252920, 916731520, 1008404672, 1260505840, 1833463040, 2016809344, 2521011680, 4033618688, 5042023360, 10084046720, 20168093440]

約数ペア:

[(1, 20168093440), (2, 10084046720), (4, 5042023360), (5, 4033618688), (8, 2521011680), (10, 2016809344), (11, 1833463040), (16, 1260505840), (20, 1008404672), (22, 916731520), (32, 630252920), (40, 504202336), (44, 458365760), (55, 366692608), (64, 315126460), (67, 301016320), (80, 252101168), (88, 229182880), (110, 183346304), (128, 157563230), (134, 150508160), (160, 126050584), (176, 114591440), (220, 91673152), (256, 78781615), (268, 75254080), (320, 63025292), (335, 60203264), (352, 57295720), (440, 45836576), (536, 37627040), (640, 31512646), (670, 30101632), (704, 28647860), (737, 27365120), (880, 22918288), (1072, 18813520), (1280, 15756323), (1340, 15050816), (1408, 14323930), (1474, 13682560), (1760, 11459144), (2144, 9406760), (2680, 7525408), (2816, 7161965), (2948, 6841280), (3520, 5729572), (3685, 5473024), (4288, 4703380), (5360, 3762704), (5896, 3420640), (7040, 2864786), (7370, 2736512), (8576, 2351690), (10720, 1881352), (11792, 1710320), (14080, 1432393), (14740, 1368256), (17152, 1175845), (21379, 943360), (21440, 940676), (23584, 855160), (29480, 684128), (42758, 471680), (42880, 470338), (47168, 427580), (58960, 342064), (85516, 235840), (85760, 235169), (94336, 213790), (106895, 188672), (117920, 171032)]