20884853760

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1989

約数の個数: 352

約数和(自身を含む): 71989420032

約数和(自身を除く): 51104566272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 92, 93, 96, 115, 120, 124, 128, 138, 155, 160, 184, 186, 192, 230, 240, 248, 256, 276, 310, 320, 345, 368, 372, 384, 460, 465, 480, 496, 512, 552, 620, 640, 690, 713, 736, 744, 768, 920, 930, 960, 992, 1024, 1104, 1240, 1280, 1380, 1426, 1472, 1488, 1536, 1840, 1860, 1907, 1920, 1984, 2139, 2208, 2480, 2560, 2760, 2852, 2944, 2976, 3072, 3565, 3680, 3720, 3814, 3840, 3968, 4278, 4416, 4960, 5120, 5520, 5704, 5721, 5888, 5952, 7130, 7360, 7440, 7628, 7680, 7936, 8556, 8832, 9535, 9920, 10695, 11040, 11408, 11442, 11776, 11904, 14260, 14720, 14880, 15256, 15360, 15872, 17112, 17664, 19070, 19840, 21390, 22080, 22816, 22884, 23552, 23808, 28520, 28605, 29440, 29760, 30512, 31744, 34224, 35328, 38140, 39680, 42780, 43861, 44160, 45632, 45768, 47616, 57040, 57210, 58880, 59117, 59520, 61024, 68448, 70656, 76280, 79360, 85560, 87722, 88320, 91264, 91536, 95232, 114080, 114420, 117760, 118234, 119040, 122048, 131583, 136896, 152560, 158720, 171120, 175444, 176640, 177351, 182528, 183072, 219305, 228160, 228840, 236468, 238080, 244096, 263166, 273792, 295585, 305120, 342240, 350888, 353280, 354702, 365056, 366144, 438610, 456320, 457680, 472936, 476160, 488192, 526332, 547584, 591170, 610240, 657915, 684480, 701776, 709404, 730112, 732288, 877220, 886755, 912640, 915360, 945872, 976384, 1052664, 1095168, 1182340, 1220480, 1315830, 1359691, 1368960, 1403552, 1418808, 1464576, 1754440, 1773510, 1825280, 1830720, 1891744, 1952768, 2105328, 2190336, 2364680, 2440960, 2631660, 2719382, 2737920, 2807104, 2837616, 2929152, 3508880, 3547020, 3650560, 3661440, 3783488, 4079073, 4210656, 4729360, 4881920, 5263320, 5438764, 5475840, 5614208, 5675232, 5858304, 6798455, 7017760, 7094040, 7322880, 7566976, 8158146, 8421312, 9458720, 9763840, 10526640, 10877528, 10951680, 11228416, 11350464, 13596910, 14035520, 14188080, 14645760, 15133952, 16316292, 16842624, 18917440, 20395365, 21053280, 21755056, 22456832, 22700928, 27193820, 28071040, 28376160, 29291520, 30267904, 32632584, 33685248, 37834880, 40790730, 42106560, 43510112, 44913664, 45401856, 54387640, 56142080, 56752320, 60535808, 65265168, 67370496, 75669760, 81581460, 84213120, 87020224, 90803712, 108775280, 112284160, 113504640, 130530336, 134740992, 151339520, 163162920, 168426240, 174040448, 181607424, 217550560, 224568320, 227009280, 261060672, 302679040, 326325840, 336852480, 348080896, 435101120, 454018560, 522121344, 652651680, 673704960, 696161792, 870202240, 908037120, 1044242688, 1305303360, 1392323584, 1740404480, 2088485376, 2610606720, 3480808960, 4176970752, 5221213440, 6961617920, 10442426880, 20884853760]

約数ペア:

[(1, 20884853760), (2, 10442426880), (3, 6961617920), (4, 5221213440), (5, 4176970752), (6, 3480808960), (8, 2610606720), (10, 2088485376), (12, 1740404480), (15, 1392323584), (16, 1305303360), (20, 1044242688), (23, 908037120), (24, 870202240), (30, 696161792), (31, 673704960), (32, 652651680), (40, 522121344), (46, 454018560), (48, 435101120), (60, 348080896), (62, 336852480), (64, 326325840), (69, 302679040), (80, 261060672), (92, 227009280), (93, 224568320), (96, 217550560), (115, 181607424), (120, 174040448), (124, 168426240), (128, 163162920), (138, 151339520), (155, 134740992), (160, 130530336), (184, 113504640), (186, 112284160), (192, 108775280), (230, 90803712), (240, 87020224), (248, 84213120), (256, 81581460), (276, 75669760), (310, 67370496), (320, 65265168), (345, 60535808), (368, 56752320), (372, 56142080), (384, 54387640), (460, 45401856), (465, 44913664), (480, 43510112), (496, 42106560), (512, 40790730), (552, 37834880), (620, 33685248), (640, 32632584), (690, 30267904), (713, 29291520), (736, 28376160), (744, 28071040), (768, 27193820), (920, 22700928), (930, 22456832), (960, 21755056), (992, 21053280), (1024, 20395365), (1104, 18917440), (1240, 16842624), (1280, 16316292), (1380, 15133952), (1426, 14645760), (1472, 14188080), (1488, 14035520), (1536, 13596910), (1840, 11350464), (1860, 11228416), (1907, 10951680), (1920, 10877528), (1984, 10526640), (2139, 9763840), (2208, 9458720), (2480, 8421312), (2560, 8158146), (2760, 7566976), (2852, 7322880), (2944, 7094040), (2976, 7017760), (3072, 6798455), (3565, 5858304), (3680, 5675232), (3720, 5614208), (3814, 5475840), (3840, 5438764), (3968, 5263320), (4278, 4881920), (4416, 4729360), (4960, 4210656), (5120, 4079073), (5520, 3783488), (5704, 3661440), (5721, 3650560), (5888, 3547020), (5952, 3508880), (7130, 2929152), (7360, 2837616), (7440, 2807104), (7628, 2737920), (7680, 2719382), (7936, 2631660), (8556, 2440960), (8832, 2364680), (9535, 2190336), (9920, 2105328), (10695, 1952768), (11040, 1891744), (11408, 1830720), (11442, 1825280), (11776, 1773510), (11904, 1754440), (14260, 1464576), (14720, 1418808), (14880, 1403552), (15256, 1368960), (15360, 1359691), (15872, 1315830), (17112, 1220480), (17664, 1182340), (19070, 1095168), (19840, 1052664), (21390, 976384), (22080, 945872), (22816, 915360), (22884, 912640), (23552, 886755), (23808, 877220), (28520, 732288), (28605, 730112), (29440, 709404), (29760, 701776), (30512, 684480), (31744, 657915), (34224, 610240), (35328, 591170), (38140, 547584), (39680, 526332), (42780, 488192), (43861, 476160), (44160, 472936), (45632, 457680), (45768, 456320), (47616, 438610), (57040, 366144), (57210, 365056), (58880, 354702), (59117, 353280), (59520, 350888), (61024, 342240), (68448, 305120), (70656, 295585), (76280, 273792), (79360, 263166), (85560, 244096), (87722, 238080), (88320, 236468), (91264, 228840), (91536, 228160), (95232, 219305), (114080, 183072), (114420, 182528), (117760, 177351), (118234, 176640), (119040, 175444), (122048, 171120), (131583, 158720), (136896, 152560)]