20671801920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 1008

約数和(自身を含む): 92543278464

約数和(自身を除く): 71871476544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 31, 32, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 62, 63, 64, 66, 70, 72, 77, 80, 84, 88, 90, 93, 96, 97, 99, 105, 110, 112, 120, 124, 126, 132, 140, 144, 154, 155, 160, 165, 168, 176, 180, 186, 192, 194, 198, 210, 217, 220, 224, 231, 240, 248, 252, 264, 279, 280, 288, 291, 308, 310, 315, 320, 330, 336, 341, 352, 360, 372, 385, 388, 396, 420, 434, 440, 448, 462, 465, 480, 485, 495, 496, 504, 528, 558, 560, 576, 582, 616, 620, 630, 651, 660, 672, 679, 682, 693, 704, 720, 744, 770, 776, 792, 840, 868, 873, 880, 924, 930, 960, 961, 970, 990, 992, 1008, 1023, 1056, 1067, 1085, 1116, 1120, 1155, 1164, 1232, 1240, 1260, 1302, 1320, 1344, 1358, 1364, 1386, 1395, 1440, 1455, 1488, 1540, 1552, 1584, 1680, 1705, 1736, 1746, 1760, 1848, 1860, 1922, 1940, 1953, 1980, 1984, 2016, 2037, 2046, 2112, 2134, 2170, 2232, 2240, 2310, 2328, 2387, 2464, 2480, 2520, 2604, 2640, 2716, 2728, 2772, 2790, 2880, 2883, 2910, 2976, 3007, 3069, 3080, 3104, 3168, 3201, 3255, 3360, 3395, 3410, 3465, 3472, 3492, 3520, 3696, 3720, 3844, 3880, 3906, 3960, 4032, 4074, 4092, 4268, 4340, 4365, 4464, 4620, 4656, 4774, 4805, 4928, 4960, 5040, 5115, 5208, 5280, 5335, 5432, 5456, 5544, 5580, 5766, 5820, 5952, 6014, 6111, 6138, 6160, 6208, 6336, 6402, 6510, 6720, 6727, 6790, 6820, 6930, 6944, 6984, 7161, 7392, 7440, 7469, 7688, 7760, 7812, 7920, 8148, 8184, 8536, 8649, 8680, 8730, 8928, 9021, 9240, 9312, 9548, 9603, 9610, 9765, 9920, 10080, 10185, 10230, 10416, 10560, 10571, 10670, 10864, 10912, 11088, 11160, 11532, 11640, 11935, 12028, 12222, 12276, 12320, 12804, 13020, 13454, 13580, 13640, 13860, 13888, 13968, 14322, 14415, 14784, 14880, 14938, 15035, 15345, 15376, 15520, 15624, 15840, 16005, 16296, 16368, 17072, 17298, 17360, 17460, 17856, 18042, 18480, 18624, 19096, 19206, 19220, 19530, 20160, 20181, 20370, 20460, 20832, 21049, 21142, 21340, 21483, 21728, 21824, 22176, 22320, 22407, 23064, 23280, 23870, 24056, 24444, 24552, 24640, 25608, 26040, 26908, 27063, 27160, 27280, 27720, 27936, 28644, 28830, 29760, 29876, 30070, 30555, 30690, 30752, 31040, 31248, 31680, 31713, 32010, 32592, 32736, 33077, 33635, 34144, 34596, 34720, 34920, 35805, 36084, 36960, 37345, 38192, 38412, 38440, 39060, 40362, 40740, 40920, 41664, 42098, 42284, 42680, 42966, 43245, 43456, 44352, 44640, 44814, 45105, 46128, 46560, 47740, 48015, 48112, 48888, 49104, 51216, 52080, 52855, 53816, 54126, 54320, 54560, 55440, 55872, 57288, 57660, 59752, 60140, 60543, 61110, 61380, 61504, 62496, 63147, 63426, 64020, 65184, 65472, 66154, 67221, 67270, 68288, 69192, 69440, 69840, 71610, 72168, 73920, 73997, 74690, 76384, 76824, 76880, 78120, 80724, 81480, 81840, 84196, 84568, 85360, 85932, 86490, 89280, 89628, 90210, 92256, 93120, 93217, 95139, 95480, 96030, 96224, 97776, 98208, 99231, 100905, 102432, 104160, 105245, 105710, 107415, 107632, 108252, 108640, 109120, 110880, 112035, 114576, 115320, 119504, 120280, 121086, 122220, 122760, 124992, 126294, 126852, 128040, 130368, 132308, 134442, 134540, 135315, 138384, 139680, 143220, 144336, 147994, 149380, 152768, 153648, 153760, 156240, 158565, 161448, 162960, 163680, 165385, 168392, 169136, 170720, 171864, 172980, 179256, 180420, 184512, 186434, 189441, 190278, 190960, 192060, 192448, 195552, 196416, 198462, 201810, 204864, 208320, 210490, 211420, 214830, 215264, 216504, 217280, 221760, 221991, 224070, 229152, 230640, 231539, 239008, 240560, 242172, 244440, 245520, 252588, 253704, 256080, 264616, 268884, 269080, 270630, 276768, 279360, 279651, 286440, 288672, 295988, 297693, 298760, 302715, 307296, 307520, 312480, 315735, 317130, 322896, 325920, 327360, 330770, 336105, 336784, 338272, 341440, 343728, 345960, 358512, 360840, 369985, 372868, 378882, 380556, 381920, 384120, 391104, 396924, 403620, 420980, 422840, 429660, 430528, 433008, 443982, 448140, 458304, 461280, 463078, 466085, 475695, 478016, 481120, 484344, 488880, 491040, 496155, 505176, 507408, 512160, 529232, 537768, 538160, 541260, 553536, 559302, 572880, 577344, 591976, 595386, 597520, 605430, 614592, 624960, 631470, 634260, 645792, 651840, 652519, 661540, 665973, 672210, 673568, 676544, 687456, 691920, 694617, 717024, 721680, 739970, 745736, 757764, 761112, 763840, 768240, 793848, 807240, 838953, 841960, 845680, 859320, 866016, 887964, 896280, 922560, 926156, 932170, 947205, 951390, 962240, 968688, 977760, 982080, 992310, 1010352, 1014816, 1024320, 1025387, 1058464, 1075536, 1076320, 1082520, 1109955, 1118604, 1145760, 1157695, 1183952, 1190772, 1195040, 1210860, 1262940, 1268520, 1291584, 1305038, 1323080, 1331946, 1344420, 1347136, 1374912, 1383840, 1389234, 1398255, 1434048, 1443360, 1479940, 1488465, 1491472, 1515528, 1522224, 1536480, 1587696, 1614480, 1677906, 1683920, 1691360, 1718640, 1732032, 1775928, 1792560, 1852312, 1864340, 1894410, 1902780, 1937376, 1955520, 1957557, 1984620, 2020704, 2029632, 2050774, 2083851, 2116928, 2151072, 2152640, 2165040, 2219910, 2237208, 2291520, 2315390, 2367904, 2381544, 2390080, 2421720, 2525880, 2537040, 2610076, 2646160, 2663892, 2688840, 2767680, 2778468, 2796510, 2886720, 2959880, 2976930, 2982944, 3031056, 3044448, 3072960, 3076161, 3175392, 3228960, 3262595, 3329865, 3355812, 3367840, 3382720, 3437280, 3473085, 3551856, 3585120, 3704624, 3728680, 3788820, 3805560, 3874752, 3915114, 3969240, 4041408, 4101548, 4167702, 4194765, 4302144, 4330080, 4439820, 4474416, 4630780, 4735808, 4763088, 4843440, 5051760, 5074080, 5126935, 5220152, 5292320, 5327784, 5377680, 5556936, 5593020, 5872671, 5919760, 5953860, 5965888, 6062112, 6088896, 6152322, 6350784, 6457920, 6525190, 6659730, 6711624, 6735680, 6874560, 6946170, 7103712, 7170240, 7177709, 7409248, 7457360, 7577640, 7611120, 7830228, 7938480, 8203096, 8335404, 8389530, 8660160, 8879640, 8948832, 9228483, 9261560, 9526176, 9686880, 9787785, 10103520, 10148160, 10253870, 10419255, 10440304, 10584640, 10655568, 10755360, 11113872, 11186040, 11745342, 11839520, 11907720, 12124224, 12304644, 13050380, 13319460, 13423248, 13892340, 14207424, 14355418, 14818496, 14914720, 15155280, 15222240, 15380805, 15660456, 15876960, 16406192, 16670808, 16779060, 17759280, 17897664, 18456966, 18523120, 19052352, 19373760, 19575570, 20207040, 20507740, 20838510, 20880608, 21311136, 21510720, 21533127, 22227744, 22372080, 23490684, 23679040, 23815440, 24609288, 26100760, 26638920, 26846496, 27784680, 28710836, 29363355, 29829440, 30310560, 30444480, 30761610, 31320912, 31753920, 32812384, 33341616, 33558120, 35518560, 35888545, 36913932, 37046240, 39151140, 41015480, 41677020, 41761216, 42622272, 43066254, 44455488, 44744160, 46142415, 46981368, 47630880, 49218576, 52201520, 53277840, 53692992, 55569360, 57421672, 58726710, 60621120, 61523220, 62641824, 64599381, 65624768, 66683232, 67116240, 71037120, 71777090, 73827864, 74092480, 78302280, 82030960, 83354040, 86132508, 89488320, 92284830, 93962736, 95261760, 98437152, 104403040, 106555680, 107665635, 111138720, 114843344, 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約数ペア:

[(1, 20671801920), (2, 10335900960), (3, 6890600640), (4, 5167950480), (5, 4134360384), (6, 3445300320), (7, 2953114560), (8, 2583975240), (9, 2296866880), (10, 2067180192), (11, 1879254720), (12, 1722650160), (14, 1476557280), (15, 1378120128), (16, 1291987620), (18, 1148433440), (20, 1033590096), (21, 984371520), (22, 939627360), (24, 861325080), (28, 738278640), (30, 689060064), (31, 666832320), (32, 645993810), (33, 626418240), (35, 590622912), (36, 574216720), (40, 516795048), (42, 492185760), (44, 469813680), (45, 459373376), (48, 430662540), (55, 375850944), (56, 369139320), (60, 344530032), (62, 333416160), (63, 328123840), (64, 322996905), (66, 313209120), (70, 295311456), (72, 287108360), (77, 268464960), (80, 258397524), (84, 246092880), (88, 234906840), (90, 229686688), (93, 222277440), (96, 215331270), (97, 213111360), (99, 208806080), (105, 196874304), (110, 187925472), (112, 184569660), (120, 172265016), (124, 166708080), (126, 164061920), (132, 156604560), (140, 147655728), (144, 143554180), (154, 134232480), (155, 133366464), (160, 129198762), (165, 125283648), (168, 123046440), (176, 117453420), (180, 114843344), (186, 111138720), (192, 107665635), (194, 106555680), (198, 104403040), (210, 98437152), (217, 95261760), (220, 93962736), (224, 92284830), (231, 89488320), (240, 86132508), (248, 83354040), (252, 82030960), (264, 78302280), (279, 74092480), (280, 73827864), (288, 71777090), (291, 71037120), (308, 67116240), (310, 66683232), (315, 65624768), (320, 64599381), (330, 62641824), (336, 61523220), (341, 60621120), (352, 58726710), (360, 57421672), (372, 55569360), (385, 53692992), (388, 53277840), (396, 52201520), (420, 49218576), (434, 47630880), (440, 46981368), (448, 46142415), (462, 44744160), (465, 44455488), (480, 43066254), (485, 42622272), (495, 41761216), (496, 41677020), (504, 41015480), (528, 39151140), (558, 37046240), (560, 36913932), (576, 35888545), (582, 35518560), (616, 33558120), (620, 33341616), (630, 32812384), (651, 31753920), (660, 31320912), (672, 30761610), (679, 30444480), (682, 30310560), (693, 29829440), (704, 29363355), (720, 28710836), (744, 27784680), (770, 26846496), (776, 26638920), (792, 26100760), (840, 24609288), (868, 23815440), (873, 23679040), (880, 23490684), (924, 22372080), (930, 22227744), (960, 21533127), (961, 21510720), (970, 21311136), (990, 20880608), (992, 20838510), (1008, 20507740), (1023, 20207040), (1056, 19575570), (1067, 19373760), (1085, 19052352), (1116, 18523120), (1120, 18456966), (1155, 17897664), (1164, 17759280), (1232, 16779060), (1240, 16670808), (1260, 16406192), (1302, 15876960), (1320, 15660456), (1344, 15380805), (1358, 15222240), (1364, 15155280), (1386, 14914720), (1395, 14818496), (1440, 14355418), (1455, 14207424), (1488, 13892340), (1540, 13423248), (1552, 13319460), (1584, 13050380), (1680, 12304644), (1705, 12124224), (1736, 11907720), (1746, 11839520), (1760, 11745342), (1848, 11186040), (1860, 11113872), (1922, 10755360), (1940, 10655568), (1953, 10584640), (1980, 10440304), (1984, 10419255), (2016, 10253870), (2037, 10148160), (2046, 10103520), (2112, 9787785), (2134, 9686880), (2170, 9526176), (2232, 9261560), (2240, 9228483), (2310, 8948832), (2328, 8879640), (2387, 8660160), (2464, 8389530), (2480, 8335404), (2520, 8203096), (2604, 7938480), (2640, 7830228), (2716, 7611120), (2728, 7577640), (2772, 7457360), (2790, 7409248), (2880, 7177709), (2883, 7170240), (2910, 7103712), (2976, 6946170), (3007, 6874560), (3069, 6735680), (3080, 6711624), (3104, 6659730), (3168, 6525190), (3201, 6457920), (3255, 6350784), (3360, 6152322), (3395, 6088896), (3410, 6062112), (3465, 5965888), (3472, 5953860), (3492, 5919760), (3520, 5872671), (3696, 5593020), (3720, 5556936), (3844, 5377680), (3880, 5327784), (3906, 5292320), (3960, 5220152), (4032, 5126935), (4074, 5074080), (4092, 5051760), (4268, 4843440), (4340, 4763088), (4365, 4735808), (4464, 4630780), (4620, 4474416), (4656, 4439820), (4774, 4330080), (4805, 4302144), (4928, 4194765), (4960, 4167702), (5040, 4101548), (5115, 4041408), (5208, 3969240), (5280, 3915114), (5335, 3874752), (5432, 3805560), (5456, 3788820), (5544, 3728680), (5580, 3704624), (5766, 3585120), (5820, 3551856), (5952, 3473085), (6014, 3437280), (6111, 3382720), (6138, 3367840), (6160, 3355812), (6208, 3329865), (6336, 3262595), (6402, 3228960), (6510, 3175392), (6720, 3076161), (6727, 3072960), (6790, 3044448), (6820, 3031056), (6930, 2982944), (6944, 2976930), (6984, 2959880), (7161, 2886720), (7392, 2796510), (7440, 2778468), (7469, 2767680), (7688, 2688840), (7760, 2663892), (7812, 2646160), (7920, 2610076), (8148, 2537040), (8184, 2525880), (8536, 2421720), (8649, 2390080), (8680, 2381544), (8730, 2367904), (8928, 2315390), (9021, 2291520), (9240, 2237208), (9312, 2219910), (9548, 2165040), (9603, 2152640), (9610, 2151072), (9765, 2116928), (9920, 2083851), (10080, 2050774), (10185, 2029632), (10230, 2020704), (10416, 1984620), (10560, 1957557), (10571, 1955520), (10670, 1937376), (10864, 1902780), (10912, 1894410), (11088, 1864340), (11160, 1852312), (11532, 1792560), (11640, 1775928), (11935, 1732032), (12028, 1718640), (12222, 1691360), (12276, 1683920), (12320, 1677906), (12804, 1614480), (13020, 1587696), (13454, 1536480), (13580, 1522224), (13640, 1515528), (13860, 1491472), (13888, 1488465), (13968, 1479940), (14322, 1443360), (14415, 1434048), (14784, 1398255), (14880, 1389234), (14938, 1383840), (15035, 1374912), (15345, 1347136), (15376, 1344420), (15520, 1331946), (15624, 1323080), (15840, 1305038), (16005, 1291584), (16296, 1268520), (16368, 1262940), (17072, 1210860), (17298, 1195040), (17360, 1190772), (17460, 1183952), (17856, 1157695), (18042, 1145760), (18480, 1118604), (18624, 1109955), (19096, 1082520), (19206, 1076320), (19220, 1075536), (19530, 1058464), (20160, 1025387), (20181, 1024320), (20370, 1014816), (20460, 1010352), (20832, 992310), (21049, 982080), (21142, 977760), (21340, 968688), (21483, 962240), (21728, 951390), (21824, 947205), (22176, 932170), (22320, 926156), (22407, 922560), (23064, 896280), (23280, 887964), (23870, 866016), (24056, 859320), (24444, 845680), (24552, 841960), (24640, 838953), (25608, 807240), (26040, 793848), (26908, 768240), (27063, 763840), (27160, 761112), (27280, 757764), (27720, 745736), (27936, 739970), (28644, 721680), (28830, 717024), (29760, 694617), (29876, 691920), (30070, 687456), (30555, 676544), (30690, 673568), (30752, 672210), (31040, 665973), (31248, 661540), (31680, 652519), (31713, 651840), (32010, 645792), (32592, 634260), (32736, 631470), (33077, 624960), (33635, 614592), (34144, 605430), (34596, 597520), (34720, 595386), (34920, 591976), (35805, 577344), (36084, 572880), (36960, 559302), (37345, 553536), (38192, 541260), (38412, 538160), (38440, 537768), (39060, 529232), (40362, 512160), (40740, 507408), (40920, 505176), (41664, 496155), (42098, 491040), (42284, 488880), (42680, 484344), (42966, 481120), (43245, 478016), (43456, 475695), (44352, 466085), (44640, 463078), (44814, 461280), (45105, 458304), (46128, 448140), (46560, 443982), (47740, 433008), (48015, 430528), (48112, 429660), (48888, 422840), (49104, 420980), (51216, 403620), (52080, 396924), (52855, 391104), (53816, 384120), (54126, 381920), (54320, 380556), (54560, 378882), (55440, 372868), (55872, 369985), (57288, 360840), (57660, 358512), (59752, 345960), (60140, 343728), (60543, 341440), (61110, 338272), (61380, 336784), (61504, 336105), (62496, 330770), (63147, 327360), (63426, 325920), (64020, 322896), (65184, 317130), (65472, 315735), (66154, 312480), (67221, 307520), (67270, 307296), (68288, 302715), (69192, 298760), (69440, 297693), (69840, 295988), (71610, 288672), (72168, 286440), (73920, 279651), (73997, 279360), (74690, 276768), (76384, 270630), (76824, 269080), (76880, 268884), (78120, 264616), (80724, 256080), (81480, 253704), (81840, 252588), (84196, 245520), (84568, 244440), (85360, 242172), (85932, 240560), (86490, 239008), (89280, 231539), (89628, 230640), (90210, 229152), (92256, 224070), (93120, 221991), (93217, 221760), (95139, 217280), (95480, 216504), (96030, 215264), (96224, 214830), (97776, 211420), (98208, 210490), (99231, 208320), (100905, 204864), (102432, 201810), (104160, 198462), (105245, 196416), (105710, 195552), (107415, 192448), (107632, 192060), (108252, 190960), (108640, 190278), (109120, 189441), (110880, 186434), (112035, 184512), (114576, 180420), (115320, 179256), (119504, 172980), (120280, 171864), (121086, 170720), (122220, 169136), (122760, 168392), (124992, 165385), (126294, 163680), (126852, 162960), (128040, 161448), (130368, 158565), (132308, 156240), (134442, 153760), (134540, 153648), (135315, 152768), (138384, 149380), (139680, 147994), (143220, 144336)]