20158842880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{937}}^1$

素因数の和:1166

約数の個数: 192

約数和(自身を含む): 53099504640

約数和(自身を除く): 32940661760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 191, 220, 256, 320, 352, 382, 440, 512, 640, 704, 764, 880, 937, 955, 1024, 1280, 1408, 1528, 1760, 1874, 1910, 2048, 2101, 2560, 2816, 3056, 3520, 3748, 3820, 4202, 4685, 5120, 5632, 6112, 7040, 7496, 7640, 8404, 9370, 10240, 10307, 10505, 11264, 12224, 14080, 14992, 15280, 16808, 18740, 20614, 21010, 22528, 24448, 28160, 29984, 30560, 33616, 37480, 41228, 42020, 48896, 51535, 56320, 59968, 61120, 67232, 74960, 82456, 84040, 97792, 103070, 112640, 119936, 122240, 134464, 149920, 164912, 168080, 178967, 195584, 206140, 239872, 244480, 268928, 299840, 329824, 336160, 357934, 391168, 412280, 479744, 488960, 537856, 599680, 659648, 672320, 715868, 824560, 894835, 959488, 977920, 1075712, 1199360, 1319296, 1344640, 1431736, 1649120, 1789670, 1918976, 1955840, 1968637, 2151424, 2398720, 2638592, 2689280, 2863472, 3298240, 3579340, 3937274, 4302848, 4797440, 5277184, 5378560, 5726944, 6596480, 7158680, 7874548, 9594880, 9843185, 10554368, 10757120, 11453888, 13192960, 14317360, 15749096, 19686370, 21108736, 21514240, 22907776, 26385920, 28634720, 31498192, 39372740, 45815552, 52771840, 57269440, 62996384, 78745480, 91631104, 105543680, 114538880, 125992768, 157490960, 183262208, 229077760, 251985536, 314981920, 366524416, 458155520, 503971072, 629963840, 916311040, 1007942144, 1259927680, 1832622080, 2015884288, 2519855360, 4031768576, 5039710720, 10079421440, 20158842880]

約数ペア:

[(1, 20158842880), (2, 10079421440), (4, 5039710720), (5, 4031768576), (8, 2519855360), (10, 2015884288), (11, 1832622080), (16, 1259927680), (20, 1007942144), (22, 916311040), (32, 629963840), (40, 503971072), (44, 458155520), (55, 366524416), (64, 314981920), (80, 251985536), (88, 229077760), (110, 183262208), (128, 157490960), (160, 125992768), (176, 114538880), (191, 105543680), (220, 91631104), (256, 78745480), (320, 62996384), (352, 57269440), (382, 52771840), (440, 45815552), (512, 39372740), (640, 31498192), (704, 28634720), (764, 26385920), (880, 22907776), (937, 21514240), (955, 21108736), (1024, 19686370), (1280, 15749096), (1408, 14317360), (1528, 13192960), (1760, 11453888), (1874, 10757120), (1910, 10554368), (2048, 9843185), (2101, 9594880), (2560, 7874548), (2816, 7158680), (3056, 6596480), (3520, 5726944), (3748, 5378560), (3820, 5277184), (4202, 4797440), (4685, 4302848), (5120, 3937274), (5632, 3579340), (6112, 3298240), (7040, 2863472), (7496, 2689280), (7640, 2638592), (8404, 2398720), (9370, 2151424), (10240, 1968637), (10307, 1955840), (10505, 1918976), (11264, 1789670), (12224, 1649120), (14080, 1431736), (14992, 1344640), (15280, 1319296), (16808, 1199360), (18740, 1075712), (20614, 977920), (21010, 959488), (22528, 894835), (24448, 824560), (28160, 715868), (29984, 672320), (30560, 659648), (33616, 599680), (37480, 537856), (41228, 488960), (42020, 479744), (48896, 412280), (51535, 391168), (56320, 357934), (59968, 336160), (61120, 329824), (67232, 299840), (74960, 268928), (82456, 244480), (84040, 239872), (97792, 206140), (103070, 195584), (112640, 178967), (119936, 168080), (122240, 164912), (134464, 149920)]