20921794560

素因数分解:

$2^{14}\times 3^5\times 5^1\times {\mathrm{1051}}^1$

素因数の和:1099

約数の個数: 360

約数和(自身を含む): 75284410656

約数和(自身を除く): 54362616096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 972, 1024, 1051, 1080, 1152, 1215, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 1944, 2048, 2102, 2160, 2304, 2430, 2560, 2592, 2880, 3072, 3153, 3240, 3456, 3840, 3888, 4096, 4204, 4320, 4608, 4860, 5120, 5184, 5255, 5760, 6144, 6306, 6480, 6912, 7680, 7776, 8192, 8408, 8640, 9216, 9459, 9720, 10240, 10368, 10510, 11520, 12288, 12612, 12960, 13824, 15360, 15552, 15765, 16384, 16816, 17280, 18432, 18918, 19440, 20480, 20736, 21020, 23040, 24576, 25224, 25920, 27648, 28377, 30720, 31104, 31530, 33632, 34560, 36864, 37836, 38880, 40960, 41472, 42040, 46080, 47295, 49152, 50448, 51840, 55296, 56754, 61440, 62208, 63060, 67264, 69120, 73728, 75672, 77760, 81920, 82944, 84080, 85131, 92160, 94590, 100896, 103680, 110592, 113508, 122880, 124416, 126120, 134528, 138240, 141885, 147456, 151344, 155520, 165888, 168160, 170262, 184320, 189180, 201792, 207360, 221184, 227016, 245760, 248832, 252240, 255393, 269056, 276480, 283770, 302688, 311040, 331776, 336320, 340524, 368640, 378360, 403584, 414720, 425655, 442368, 454032, 497664, 504480, 510786, 538112, 552960, 567540, 605376, 622080, 663552, 672640, 681048, 737280, 756720, 807168, 829440, 851310, 908064, 995328, 1008960, 1021572, 1076224, 1105920, 1135080, 1210752, 1244160, 1276965, 1327104, 1345280, 1362096, 1513440, 1614336, 1658880, 1702620, 1816128, 1990656, 2017920, 2043144, 2152448, 2211840, 2270160, 2421504, 2488320, 2553930, 2690560, 2724192, 3026880, 3228672, 3317760, 3405240, 3632256, 3981312, 4035840, 4086288, 4304896, 4540320, 4843008, 4976640, 5107860, 5381120, 5448384, 6053760, 6457344, 6635520, 6810480, 7264512, 8071680, 8172576, 8609792, 9080640, 9686016, 9953280, 10215720, 10762240, 10896768, 12107520, 12914688, 13620960, 14529024, 16143360, 16345152, 17219584, 18161280, 19372032, 19906560, 20431440, 21524480, 21793536, 24215040, 25829376, 27241920, 29058048, 32286720, 32690304, 36322560, 38744064, 40862880, 43048960, 43587072, 48430080, 51658752, 54483840, 58116096, 64573440, 65380608, 72645120, 77488128, 81725760, 86097920, 87174144, 96860160, 108967680, 116232192, 129146880, 130761216, 145290240, 154976256, 163451520, 174348288, 193720320, 217935360, 232464384, 258293760, 261522432, 290580480, 326903040, 348696576, 387440640, 435870720, 464928768, 523044864, 581160960, 653806080, 697393152, 774881280, 871741440, 1046089728, 1162321920, 1307612160, 1394786304, 1743482880, 2092179456, 2324643840, 2615224320, 3486965760, 4184358912, 5230448640, 6973931520, 10460897280, 20921794560]

約数ペア:

[(1, 20921794560), (2, 10460897280), (3, 6973931520), (4, 5230448640), (5, 4184358912), (6, 3486965760), (8, 2615224320), (9, 2324643840), (10, 2092179456), (12, 1743482880), (15, 1394786304), (16, 1307612160), (18, 1162321920), (20, 1046089728), (24, 871741440), (27, 774881280), (30, 697393152), (32, 653806080), (36, 581160960), (40, 523044864), (45, 464928768), (48, 435870720), (54, 387440640), (60, 348696576), (64, 326903040), (72, 290580480), (80, 261522432), (81, 258293760), (90, 232464384), (96, 217935360), (108, 193720320), (120, 174348288), (128, 163451520), (135, 154976256), (144, 145290240), (160, 130761216), (162, 129146880), (180, 116232192), (192, 108967680), (216, 96860160), (240, 87174144), (243, 86097920), (256, 81725760), (270, 77488128), (288, 72645120), (320, 65380608), (324, 64573440), (360, 58116096), (384, 54483840), (405, 51658752), (432, 48430080), (480, 43587072), (486, 43048960), (512, 40862880), (540, 38744064), (576, 36322560), (640, 32690304), (648, 32286720), (720, 29058048), (768, 27241920), (810, 25829376), (864, 24215040), (960, 21793536), (972, 21524480), (1024, 20431440), (1051, 19906560), (1080, 19372032), (1152, 18161280), (1215, 17219584), (1280, 16345152), (1296, 16143360), (1440, 14529024), (1536, 13620960), (1620, 12914688), (1728, 12107520), (1920, 10896768), (1944, 10762240), (2048, 10215720), (2102, 9953280), (2160, 9686016), (2304, 9080640), (2430, 8609792), (2560, 8172576), (2592, 8071680), (2880, 7264512), (3072, 6810480), (3153, 6635520), (3240, 6457344), (3456, 6053760), (3840, 5448384), (3888, 5381120), (4096, 5107860), (4204, 4976640), (4320, 4843008), (4608, 4540320), (4860, 4304896), (5120, 4086288), (5184, 4035840), (5255, 3981312), (5760, 3632256), (6144, 3405240), (6306, 3317760), (6480, 3228672), (6912, 3026880), (7680, 2724192), (7776, 2690560), (8192, 2553930), (8408, 2488320), (8640, 2421504), (9216, 2270160), (9459, 2211840), (9720, 2152448), (10240, 2043144), (10368, 2017920), (10510, 1990656), (11520, 1816128), (12288, 1702620), (12612, 1658880), (12960, 1614336), (13824, 1513440), (15360, 1362096), (15552, 1345280), (15765, 1327104), (16384, 1276965), (16816, 1244160), (17280, 1210752), (18432, 1135080), (18918, 1105920), (19440, 1076224), (20480, 1021572), (20736, 1008960), (21020, 995328), (23040, 908064), (24576, 851310), (25224, 829440), (25920, 807168), (27648, 756720), (28377, 737280), (30720, 681048), (31104, 672640), (31530, 663552), (33632, 622080), (34560, 605376), (36864, 567540), (37836, 552960), (38880, 538112), (40960, 510786), (41472, 504480), (42040, 497664), (46080, 454032), (47295, 442368), (49152, 425655), (50448, 414720), (51840, 403584), (55296, 378360), (56754, 368640), (61440, 340524), (62208, 336320), (63060, 331776), (67264, 311040), (69120, 302688), (73728, 283770), (75672, 276480), (77760, 269056), (81920, 255393), (82944, 252240), (84080, 248832), (85131, 245760), (92160, 227016), (94590, 221184), (100896, 207360), (103680, 201792), (110592, 189180), (113508, 184320), (122880, 170262), (124416, 168160), (126120, 165888), (134528, 155520), (138240, 151344), (141885, 147456)]