20856813120

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 1120

約数和(自身を含む): 92567857536

約数和(自身を除く): 71711044416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 20, 22, 24, 26, 27, 30, 32, 33, 34, 36, 39, 40, 44, 45, 48, 51, 52, 54, 55, 60, 64, 65, 66, 68, 72, 78, 80, 81, 85, 88, 90, 96, 99, 102, 104, 108, 110, 117, 120, 130, 132, 135, 136, 143, 144, 153, 156, 160, 162, 165, 170, 176, 180, 187, 192, 195, 198, 204, 208, 216, 220, 221, 234, 240, 255, 260, 264, 270, 272, 286, 288, 297, 306, 312, 320, 324, 330, 331, 340, 351, 352, 360, 374, 390, 396, 405, 408, 416, 429, 432, 440, 442, 459, 468, 480, 495, 510, 520, 528, 540, 544, 561, 572, 576, 585, 594, 612, 624, 648, 660, 662, 663, 680, 702, 704, 715, 720, 748, 765, 780, 792, 810, 816, 832, 858, 864, 880, 884, 891, 918, 935, 936, 960, 990, 993, 1020, 1040, 1053, 1056, 1080, 1088, 1105, 1122, 1144, 1170, 1188, 1224, 1248, 1287, 1296, 1320, 1324, 1326, 1360, 1377, 1404, 1430, 1440, 1485, 1496, 1530, 1560, 1584, 1620, 1632, 1655, 1683, 1716, 1728, 1755, 1760, 1768, 1782, 1836, 1870, 1872, 1980, 1986, 1989, 2040, 2080, 2106, 2112, 2145, 2160, 2210, 2244, 2288, 2295, 2340, 2376, 2431, 2448, 2496, 2574, 2592, 2640, 2648, 2652, 2720, 2754, 2805, 2808, 2860, 2880, 2970, 2979, 2992, 3060, 3120, 3168, 3240, 3264, 3310, 3315, 3366, 3432, 3510, 3520, 3536, 3564, 3641, 3672, 3740, 3744, 3861, 3960, 3972, 3978, 4080, 4160, 4212, 4290, 4303, 4320, 4420, 4455, 4488, 4576, 4590, 4680, 4752, 4862, 4896, 4965, 5049, 5148, 5184, 5265, 5280, 5296, 5304, 5440, 5508, 5610, 5616, 5627, 5720, 5940, 5958, 5967, 5984, 6120, 6240, 6336, 6435, 6480, 6620, 6630, 6732, 6864, 6885, 7020, 7072, 7128, 7282, 7293, 7344, 7480, 7488, 7722, 7920, 7944, 7956, 8160, 8415, 8424, 8580, 8606, 8640, 8840, 8910, 8937, 8976, 9152, 9180, 9360, 9504, 9724, 9792, 9930, 9945, 10098, 10296, 10530, 10560, 10592, 10608, 10923, 11016, 11220, 11232, 11254, 11440, 11583, 11880, 11916, 11934, 11968, 12155, 12240, 12480, 12870, 12909, 12960, 13240, 13260, 13464, 13728, 13770, 14040, 14144, 14256, 14564, 14586, 14688, 14895, 14960, 15147, 15444, 15840, 15888, 15912, 16320, 16830, 16848, 16881, 17160, 17212, 17680, 17820, 17874, 17901, 17952, 18205, 18360, 18720, 19008, 19305, 19448, 19860, 19890, 20196, 20592, 21060, 21184, 21216, 21515, 21846, 21879, 22032, 22440, 22464, 22508, 22880, 23166, 23760, 23832, 23868, 24310, 24480, 25245, 25740, 25818, 25920, 26480, 26520, 26811, 26928, 27456, 27540, 28080, 28135, 28512, 29128, 29172, 29376, 29790, 29835, 29920, 30294, 30888, 31680, 31776, 31824, 32769, 33660, 33696, 33762, 34320, 34424, 35360, 35640, 35748, 35802, 35904, 36410, 36465, 36720, 37440, 38610, 38727, 38896, 39720, 39780, 40392, 41184, 42120, 42432, 43030, 43692, 43758, 44064, 44685, 44880, 45016, 45760, 46332, 47333, 47520, 47664, 47736, 48620, 48960, 50490, 50643, 51480, 51636, 52960, 53040, 53622, 53856, 54615, 55080, 56160, 56270, 57024, 57915, 58256, 58344, 59580, 59670, 59840, 60588, 61776, 61897, 63552, 63648, 64545, 65538, 65637, 67320, 67392, 67524, 68640, 68848, 70720, 71280, 71496, 71604, 72820, 72930, 73151, 73440, 75735, 77220, 77454, 77792, 79440, 79560, 80784, 82368, 84240, 84405, 86060, 87384, 87516, 88128, 89370, 89505, 89760, 90032, 92664, 94666, 95040, 95328, 95472, 97240, 98307, 100980, 101286, 102960, 103272, 105920, 106080, 107244, 107712, 109230, 109395, 110160, 112320, 112540, 115830, 116181, 116512, 116688, 119160, 119340, 121176, 123552, 123794, 127296, 129090, 131076, 131274, 134055, 134640, 135048, 137280, 137696, 141999, 142560, 142992, 143208, 145640, 145860, 146302, 146880, 151470, 151929, 154440, 154908, 155584, 158880, 159120, 161568, 163845, 168480, 168810, 172120, 174768, 175032, 178740, 179010, 179520, 180064, 185328, 185691, 189332, 190656, 190944, 193635, 194480, 196614, 196911, 201960, 202572, 205920, 206544, 212160, 214488, 218460, 218790, 219453, 220320, 225080, 231660, 232362, 233024, 233376, 236665, 238320, 238680, 242352, 247104, 247588, 253215, 258180, 262152, 262548, 268110, 269280, 270096, 275392, 283998, 285120, 285984, 286416, 291280, 291720, 292604, 294921, 302940, 303858, 308880, 309485, 309816, 317760, 318240, 323136, 327690, 328185, 336960, 337620, 344240, 348543, 349536, 350064, 357480, 358020, 360128, 365755, 370656, 371382, 378664, 381888, 387270, 388960, 393228, 393822, 403920, 405144, 411840, 413088, 425997, 428976, 436920, 437580, 438906, 440640, 450160, 455787, 463320, 464724, 466752, 473330, 476640, 477360, 484704, 491535, 495176, 506430, 516360, 524304, 525096, 536220, 538560, 540192, 557073, 567996, 571968, 572832, 580905, 582560, 583440, 585208, 589842, 605880, 607716, 617760, 618970, 619632, 636480, 655380, 656370, 658359, 675240, 688480, 697086, 699072, 700128, 709995, 714960, 716040, 731510, 741312, 742764, 757328, 759645, 774540, 777920, 786456, 787644, 804661, 807840, 810288, 826176, 851994, 857952, 873840, 875160, 877812, 900320, 911574, 926640, 928455, 929448, 946660, 953280, 954720, 969408, 983070, 984555, 990352, 1012860, 1032720, 1048608, 1050192, 1072440, 1080384, 1097265, 1114146, 1135992, 1145664, 1161810, 1165120, 1166880, 1170416, 1179684, 1211760, 1215432, 1235520, 1237940, 1239264, 1277991, 1310760, 1312740, 1316718, 1350480, 1376960, 1394172, 1400256, 1419990, 1429920, 1432080, 1463020, 1474605, 1485528, 1514656, 1519290, 1549080, 1572912, 1575288, 1609322, 1615680, 1620576, 1671219, 1703988, 1715904, 1742715, 1747680, 1750320, 1755624, 1800640, 1823148, 1853280, 1856910, 1858896, 1893320, 1909440, 1966140, 1969110, 1975077, 1980704, 2025720, 2065440, 2097216, 2100384, 2129985, 2144880, 2194530, 2228292, 2271984, 2278935, 2323620, 2333760, 2340832, 2359368, 2413983, 2423520, 2430864, 2475880, 2478528, 2555982, 2621520, 2625480, 2633436, 2700960, 2785365, 2788344, 2839980, 2859840, 2864160, 2926040, 2949210, 2971056, 3029312, 3038580, 3098160, 3145824, 3150576, 3218644, 3241152, 3291795, 3342438, 3407976, 3485430, 3495360, 3500640, 3511248, 3646296, 3706560, 3713820, 3717792, 3786640, 3833973, 3932280, 3938220, 3950154, 3961408, 4023305, 4051440, 4130880, 4200768, 4259970, 4289760, 4389060, 4456584, 4543968, 4557870, 4647240, 4681664, 4718736, 4827966, 4847040, 4861728, 4951760, 5013657, 5111964, 5243040, 5250960, 5266872, 5401920, 5570730, 5576688, 5679960, 5728320, 5852080, 5898420, 5925231, 5942112, 6077160, 6196320, 6291648, 6301152, 6389955, 6437288, 6583590, 6684876, 6815952, 6970860, 7001280, 7022496, 7241949, 7292592, 7427640, 7435584, 7573280, 7667946, 7864560, 7876440, 7900308, 8046610, 8102880, 8356095, 8519940, 8579520, 8778120, 8913168, 9087936, 9115740, 9294480, 9437472, 9655932, 9723456, 9875385, 9903520, 10027314, 10223928, 10486080, 10501920, 10533744, 11141460, 11153376, 11359920, 11704160, 11796840, 11850462, 11884224, 12069915, 12154320, 12392640, 12602304, 12779910, 12874576, 13167180, 13369752, 13631904, 13941720, 14044992, 14483898, 14585184, 14855280, 15146560, 15335892, 15729120, 15752880, 15800616, 16093220, 16205760, 16712190, 17039880, 17556240, 17826336, 18231480, 18588960, 18874944, 19169865, 19311864, 19750770, 19807040, 20054628, 20447856, 21003840, 21067488, 21725847, 22282920, 22306752, 22719840, 23408320, 23593680, 23700924, 24139830, 24308640, 25068285, 25559820, 25749152, 26334360, 26739504, 27263808, 27883440, 28967796, 29170368, 29626155, 29710560, 30671784, 31458240, 31505760, 31601232, 32186440, 33424380, 34079760, 35112480, 35652672, 36209745, 36462960, 37177920, 38339730, 38623728, 39501540, 40109256, 40895712, 42134976, 43451694, 44565840, 45439680, 47187360, 47401848, 48279660, 48617280, 50136570, 51119640, 51498304, 52668720, 53479008, 55766880, 57935592, 59252310, 59421120, 61343568, 63011520, 63202464, 64372880, 65177541, 66848760, 68159520, 70224960, 72419490, 72925920, 76679460, 77247456, 79003080, 80218512, 81791424, 86903388, 89131680, 94374720, 94803696, 96559320, 100273140, 102239280, 105337440, 106958016, 108629235, 111533760, 115871184, 118504620, 122687136, 126404928, 128745760, 130355082, 133697520, 136319040, 144838980, 145851840, 153358920, 154494912, 158006160, 160437024, 173806776, 178263360, 189607392, 193118640, 200546280, 204478560, 210674880, 217258470, 231742368, 237009240, 245374272, 257491520, 260710164, 267395040, 289677960, 306717840, 316012320, 320874048, 325887705, 347613552, 379214784, 386237280, 401092560, 408957120, 434516940, 463484736, 474018480, 521420328, 534790080, 579355920, 613435680, 632024640, 651775410, 695227104, 772474560, 802185120, 869033880, 948036960, 1042840656, 1158711840, 1226871360, 1303550820, 1390454208, 1604370240, 1738067760, 1896073920, 2085681312, 2317423680, 2607101640, 3476135520, 4171362624, 5214203280, 6952271040, 10428406560, 20856813120]

約数ペア:

[(1, 20856813120), (2, 10428406560), (3, 6952271040), (4, 5214203280), (5, 4171362624), (6, 3476135520), (8, 2607101640), (9, 2317423680), (10, 2085681312), (11, 1896073920), (12, 1738067760), (13, 1604370240), (15, 1390454208), (16, 1303550820), (17, 1226871360), (18, 1158711840), (20, 1042840656), (22, 948036960), (24, 869033880), (26, 802185120), (27, 772474560), (30, 695227104), (32, 651775410), (33, 632024640), (34, 613435680), (36, 579355920), (39, 534790080), (40, 521420328), (44, 474018480), (45, 463484736), (48, 434516940), (51, 408957120), (52, 401092560), (54, 386237280), (55, 379214784), (60, 347613552), (64, 325887705), (65, 320874048), (66, 316012320), (68, 306717840), (72, 289677960), (78, 267395040), (80, 260710164), (81, 257491520), (85, 245374272), (88, 237009240), (90, 231742368), (96, 217258470), (99, 210674880), (102, 204478560), (104, 200546280), (108, 193118640), (110, 189607392), (117, 178263360), (120, 173806776), (130, 160437024), (132, 158006160), (135, 154494912), (136, 153358920), (143, 145851840), (144, 144838980), (153, 136319040), (156, 133697520), (160, 130355082), (162, 128745760), (165, 126404928), (170, 122687136), (176, 118504620), (180, 115871184), (187, 111533760), (192, 108629235), (195, 106958016), (198, 105337440), (204, 102239280), (208, 100273140), (216, 96559320), (220, 94803696), (221, 94374720), (234, 89131680), (240, 86903388), (255, 81791424), (260, 80218512), (264, 79003080), (270, 77247456), (272, 76679460), (286, 72925920), (288, 72419490), (297, 70224960), (306, 68159520), (312, 66848760), (320, 65177541), (324, 64372880), (330, 63202464), (331, 63011520), (340, 61343568), (351, 59421120), (352, 59252310), (360, 57935592), (374, 55766880), (390, 53479008), (396, 52668720), (405, 51498304), (408, 51119640), (416, 50136570), (429, 48617280), (432, 48279660), (440, 47401848), (442, 47187360), (459, 45439680), (468, 44565840), (480, 43451694), (495, 42134976), (510, 40895712), (520, 40109256), (528, 39501540), (540, 38623728), (544, 38339730), (561, 37177920), (572, 36462960), (576, 36209745), (585, 35652672), (594, 35112480), (612, 34079760), (624, 33424380), (648, 32186440), (660, 31601232), (662, 31505760), (663, 31458240), (680, 30671784), (702, 29710560), (704, 29626155), (715, 29170368), (720, 28967796), (748, 27883440), (765, 27263808), (780, 26739504), (792, 26334360), (810, 25749152), (816, 25559820), (832, 25068285), (858, 24308640), (864, 24139830), (880, 23700924), (884, 23593680), (891, 23408320), (918, 22719840), (935, 22306752), (936, 22282920), (960, 21725847), (990, 21067488), (993, 21003840), (1020, 20447856), (1040, 20054628), (1053, 19807040), (1056, 19750770), (1080, 19311864), (1088, 19169865), (1105, 18874944), (1122, 18588960), (1144, 18231480), (1170, 17826336), (1188, 17556240), (1224, 17039880), (1248, 16712190), (1287, 16205760), (1296, 16093220), (1320, 15800616), (1324, 15752880), (1326, 15729120), (1360, 15335892), (1377, 15146560), (1404, 14855280), (1430, 14585184), (1440, 14483898), (1485, 14044992), (1496, 13941720), (1530, 13631904), (1560, 13369752), (1584, 13167180), (1620, 12874576), (1632, 12779910), (1655, 12602304), (1683, 12392640), (1716, 12154320), (1728, 12069915), (1755, 11884224), (1760, 11850462), (1768, 11796840), (1782, 11704160), (1836, 11359920), (1870, 11153376), (1872, 11141460), (1980, 10533744), (1986, 10501920), (1989, 10486080), (2040, 10223928), (2080, 10027314), (2106, 9903520), (2112, 9875385), (2145, 9723456), (2160, 9655932), (2210, 9437472), (2244, 9294480), (2288, 9115740), (2295, 9087936), (2340, 8913168), (2376, 8778120), (2431, 8579520), (2448, 8519940), (2496, 8356095), (2574, 8102880), (2592, 8046610), (2640, 7900308), (2648, 7876440), (2652, 7864560), (2720, 7667946), (2754, 7573280), (2805, 7435584), (2808, 7427640), (2860, 7292592), (2880, 7241949), (2970, 7022496), (2979, 7001280), (2992, 6970860), (3060, 6815952), (3120, 6684876), (3168, 6583590), (3240, 6437288), (3264, 6389955), (3310, 6301152), (3315, 6291648), (3366, 6196320), (3432, 6077160), (3510, 5942112), (3520, 5925231), (3536, 5898420), (3564, 5852080), (3641, 5728320), (3672, 5679960), (3740, 5576688), (3744, 5570730), (3861, 5401920), (3960, 5266872), (3972, 5250960), (3978, 5243040), (4080, 5111964), (4160, 5013657), (4212, 4951760), (4290, 4861728), (4303, 4847040), (4320, 4827966), (4420, 4718736), (4455, 4681664), (4488, 4647240), (4576, 4557870), (4590, 4543968), (4680, 4456584), (4752, 4389060), (4862, 4289760), (4896, 4259970), (4965, 4200768), (5049, 4130880), (5148, 4051440), (5184, 4023305), (5265, 3961408), (5280, 3950154), (5296, 3938220), (5304, 3932280), (5440, 3833973), (5508, 3786640), (5610, 3717792), (5616, 3713820), (5627, 3706560), (5720, 3646296), (5940, 3511248), (5958, 3500640), (5967, 3495360), (5984, 3485430), (6120, 3407976), (6240, 3342438), (6336, 3291795), (6435, 3241152), (6480, 3218644), (6620, 3150576), (6630, 3145824), (6732, 3098160), (6864, 3038580), (6885, 3029312), (7020, 2971056), (7072, 2949210), (7128, 2926040), (7282, 2864160), (7293, 2859840), (7344, 2839980), (7480, 2788344), (7488, 2785365), (7722, 2700960), (7920, 2633436), (7944, 2625480), (7956, 2621520), (8160, 2555982), (8415, 2478528), (8424, 2475880), (8580, 2430864), (8606, 2423520), (8640, 2413983), (8840, 2359368), (8910, 2340832), (8937, 2333760), (8976, 2323620), (9152, 2278935), (9180, 2271984), (9360, 2228292), (9504, 2194530), (9724, 2144880), (9792, 2129985), (9930, 2100384), (9945, 2097216), (10098, 2065440), (10296, 2025720), (10530, 1980704), (10560, 1975077), (10592, 1969110), (10608, 1966140), (10923, 1909440), (11016, 1893320), (11220, 1858896), (11232, 1856910), (11254, 1853280), (11440, 1823148), (11583, 1800640), (11880, 1755624), (11916, 1750320), (11934, 1747680), (11968, 1742715), (12155, 1715904), (12240, 1703988), (12480, 1671219), (12870, 1620576), (12909, 1615680), (12960, 1609322), (13240, 1575288), (13260, 1572912), (13464, 1549080), (13728, 1519290), (13770, 1514656), (14040, 1485528), (14144, 1474605), (14256, 1463020), (14564, 1432080), (14586, 1429920), (14688, 1419990), (14895, 1400256), (14960, 1394172), (15147, 1376960), (15444, 1350480), (15840, 1316718), (15888, 1312740), (15912, 1310760), (16320, 1277991), (16830, 1239264), (16848, 1237940), (16881, 1235520), (17160, 1215432), (17212, 1211760), (17680, 1179684), (17820, 1170416), (17874, 1166880), (17901, 1165120), (17952, 1161810), (18205, 1145664), (18360, 1135992), (18720, 1114146), (19008, 1097265), (19305, 1080384), (19448, 1072440), (19860, 1050192), (19890, 1048608), (20196, 1032720), (20592, 1012860), (21060, 990352), (21184, 984555), (21216, 983070), (21515, 969408), (21846, 954720), (21879, 953280), (22032, 946660), (22440, 929448), (22464, 928455), (22508, 926640), (22880, 911574), (23166, 900320), (23760, 877812), (23832, 875160), (23868, 873840), (24310, 857952), (24480, 851994), (25245, 826176), (25740, 810288), (25818, 807840), (25920, 804661), (26480, 787644), (26520, 786456), (26811, 777920), (26928, 774540), (27456, 759645), (27540, 757328), (28080, 742764), (28135, 741312), (28512, 731510), (29128, 716040), (29172, 714960), (29376, 709995), (29790, 700128), (29835, 699072), (29920, 697086), (30294, 688480), (30888, 675240), (31680, 658359), (31776, 656370), (31824, 655380), (32769, 636480), (33660, 619632), (33696, 618970), (33762, 617760), (34320, 607716), (34424, 605880), (35360, 589842), (35640, 585208), (35748, 583440), (35802, 582560), (35904, 580905), (36410, 572832), (36465, 571968), (36720, 567996), (37440, 557073), (38610, 540192), (38727, 538560), (38896, 536220), (39720, 525096), (39780, 524304), (40392, 516360), (41184, 506430), (42120, 495176), (42432, 491535), (43030, 484704), (43692, 477360), (43758, 476640), (44064, 473330), (44685, 466752), (44880, 464724), (45016, 463320), (45760, 455787), (46332, 450160), (47333, 440640), (47520, 438906), (47664, 437580), (47736, 436920), (48620, 428976), (48960, 425997), (50490, 413088), (50643, 411840), (51480, 405144), (51636, 403920), (52960, 393822), (53040, 393228), (53622, 388960), (53856, 387270), (54615, 381888), (55080, 378664), (56160, 371382), (56270, 370656), (57024, 365755), (57915, 360128), (58256, 358020), (58344, 357480), (59580, 350064), (59670, 349536), (59840, 348543), (60588, 344240), (61776, 337620), (61897, 336960), (63552, 328185), (63648, 327690), (64545, 323136), (65538, 318240), (65637, 317760), (67320, 309816), (67392, 309485), (67524, 308880), (68640, 303858), (68848, 302940), (70720, 294921), (71280, 292604), (71496, 291720), (71604, 291280), (72820, 286416), (72930, 285984), (73151, 285120), (73440, 283998), (75735, 275392), (77220, 270096), (77454, 269280), (77792, 268110), (79440, 262548), (79560, 262152), (80784, 258180), (82368, 253215), (84240, 247588), (84405, 247104), (86060, 242352), (87384, 238680), (87516, 238320), (88128, 236665), (89370, 233376), (89505, 233024), (89760, 232362), (90032, 231660), (92664, 225080), (94666, 220320), (95040, 219453), (95328, 218790), (95472, 218460), (97240, 214488), (98307, 212160), (100980, 206544), (101286, 205920), (102960, 202572), (103272, 201960), (105920, 196911), (106080, 196614), (107244, 194480), (107712, 193635), (109230, 190944), (109395, 190656), (110160, 189332), (112320, 185691), (112540, 185328), (115830, 180064), (116181, 179520), (116512, 179010), (116688, 178740), (119160, 175032), (119340, 174768), (121176, 172120), (123552, 168810), (123794, 168480), (127296, 163845), (129090, 161568), (131076, 159120), (131274, 158880), (134055, 155584), (134640, 154908), (135048, 154440), (137280, 151929), (137696, 151470), (141999, 146880), (142560, 146302), (142992, 145860), (143208, 145640)]