20831569920

素因数分解:

$2^{11}\times 3^2\times 5^1\times 7^3\times {\mathrm{659}}^1$

素因数の和:713

約数の個数: 576

約数和(自身を含む): 84324240000

約数和(自身を除く): 63492670080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 256, 280, 288, 294, 315, 320, 336, 343, 360, 384, 392, 420, 441, 448, 480, 490, 504, 512, 560, 576, 588, 630, 640, 659, 672, 686, 720, 735, 768, 784, 840, 882, 896, 960, 980, 1008, 1024, 1029, 1120, 1152, 1176, 1260, 1280, 1318, 1344, 1372, 1440, 1470, 1536, 1568, 1680, 1715, 1764, 1792, 1920, 1960, 1977, 2016, 2048, 2058, 2205, 2240, 2304, 2352, 2520, 2560, 2636, 2688, 2744, 2880, 2940, 3072, 3087, 3136, 3295, 3360, 3430, 3528, 3584, 3840, 3920, 3954, 4032, 4116, 4410, 4480, 4608, 4613, 4704, 5040, 5120, 5145, 5272, 5376, 5488, 5760, 5880, 5931, 6144, 6174, 6272, 6590, 6720, 6860, 7056, 7168, 7680, 7840, 7908, 8064, 8232, 8820, 8960, 9216, 9226, 9408, 9885, 10080, 10240, 10290, 10544, 10752, 10976, 11520, 11760, 11862, 12348, 12544, 13180, 13440, 13720, 13839, 14112, 14336, 15360, 15435, 15680, 15816, 16128, 16464, 17640, 17920, 18432, 18452, 18816, 19770, 20160, 20580, 21088, 21504, 21952, 23040, 23065, 23520, 23724, 24696, 25088, 26360, 26880, 27440, 27678, 28224, 29655, 30720, 30870, 31360, 31632, 32256, 32291, 32928, 35280, 35840, 36904, 37632, 39540, 40320, 41160, 41517, 42176, 43008, 43904, 46080, 46130, 47040, 47448, 49392, 50176, 52720, 53760, 54880, 55356, 56448, 59310, 61740, 62720, 63264, 64512, 64582, 65856, 69195, 70560, 71680, 73808, 75264, 79080, 80640, 82320, 83034, 84352, 87808, 92160, 92260, 94080, 94896, 96873, 98784, 100352, 105440, 107520, 109760, 110712, 112896, 118620, 123480, 125440, 126528, 129024, 129164, 131712, 138390, 141120, 147616, 150528, 158160, 161280, 161455, 164640, 166068, 168704, 175616, 184520, 188160, 189792, 193746, 197568, 207585, 210880, 215040, 219520, 221424, 225792, 226037, 237240, 246960, 250880, 253056, 258328, 263424, 276780, 282240, 290619, 295232, 301056, 316320, 322560, 322910, 329280, 332136, 337408, 351232, 369040, 376320, 379584, 387492, 395136, 415170, 421760, 439040, 442848, 451584, 452074, 474480, 484365, 493920, 501760, 506112, 516656, 526848, 553560, 564480, 581238, 590464, 632640, 645120, 645820, 658560, 664272, 674816, 678111, 702464, 738080, 752640, 759168, 774984, 790272, 830340, 843520, 878080, 885696, 903168, 904148, 948960, 968730, 987840, 1012224, 1033312, 1053696, 1107120, 1128960, 1130185, 1162476, 1180928, 1265280, 1291640, 1317120, 1328544, 1349632, 1356222, 1453095, 1476160, 1505280, 1518336, 1549968, 1580544, 1660680, 1687040, 1756160, 1771392, 1808296, 1897920, 1937460, 1975680, 2024448, 2034333, 2066624, 2107392, 2214240, 2257920, 2260370, 2324952, 2361856, 2530560, 2583280, 2634240, 2657088, 2712444, 2906190, 2952320, 3036672, 3099936, 3161088, 3321360, 3374080, 3390555, 3512320, 3542784, 3616592, 3795840, 3874920, 3951360, 4048896, 4068666, 4133248, 4428480, 4515840, 4520740, 4649904, 4723712, 5061120, 5166560, 5268480, 5314176, 5424888, 5812380, 5904640, 6073344, 6199872, 6322176, 6642720, 6748160, 6781110, 7085568, 7233184, 7591680, 7749840, 7902720, 8137332, 8266496, 8856960, 9041480, 9299808, 9447424, 10122240, 10171665, 10333120, 10536960, 10628352, 10849776, 11624760, 11809280, 12146688, 12399744, 13285440, 13562220, 14171136, 14466368, 15183360, 15499680, 15805440, 16274664, 16532992, 17713920, 18082960, 18599616, 20244480, 20343330, 20666240, 21256704, 21699552, 23249520, 23618560, 24799488, 26570880, 27124440, 28342272, 28932736, 30366720, 30999360, 31610880, 32549328, 33065984, 35427840, 36165920, 37199232, 40686660, 41332480, 42513408, 43399104, 46499040, 47237120, 49598976, 53141760, 54248880, 57865472, 60733440, 61998720, 65098656, 66131968, 70855680, 72331840, 74398464, 81373320, 82664960, 85026816, 86798208, 92998080, 99197952, 106283520, 108497760, 115730944, 123997440, 130197312, 141711360, 144663680, 148796928, 162746640, 165329920, 173596416, 185996160, 198395904, 212567040, 216995520, 231461888, 247994880, 260394624, 289327360, 297593856, 325493280, 330659840, 347192832, 371992320, 425134080, 433991040, 462923776, 495989760, 520789248, 578654720, 595187712, 650986560, 694385664, 743984640, 867982080, 991979520, 1041578496, 1157309440, 1301973120, 1388771328, 1487969280, 1735964160, 2083156992, 2314618880, 2603946240, 2975938560, 3471928320, 4166313984, 5207892480, 6943856640, 10415784960, 20831569920]

約数ペア:

[(1, 20831569920), (2, 10415784960), (3, 6943856640), (4, 5207892480), (5, 4166313984), (6, 3471928320), (7, 2975938560), (8, 2603946240), (9, 2314618880), (10, 2083156992), (12, 1735964160), (14, 1487969280), (15, 1388771328), (16, 1301973120), (18, 1157309440), (20, 1041578496), (21, 991979520), (24, 867982080), (28, 743984640), (30, 694385664), (32, 650986560), (35, 595187712), (36, 578654720), (40, 520789248), (42, 495989760), (45, 462923776), (48, 433991040), (49, 425134080), (56, 371992320), (60, 347192832), (63, 330659840), (64, 325493280), (70, 297593856), (72, 289327360), (80, 260394624), (84, 247994880), (90, 231461888), (96, 216995520), (98, 212567040), (105, 198395904), (112, 185996160), (120, 173596416), (126, 165329920), (128, 162746640), (140, 148796928), (144, 144663680), (147, 141711360), (160, 130197312), (168, 123997440), (180, 115730944), (192, 108497760), (196, 106283520), (210, 99197952), (224, 92998080), (240, 86798208), (245, 85026816), (252, 82664960), (256, 81373320), (280, 74398464), (288, 72331840), (294, 70855680), (315, 66131968), (320, 65098656), (336, 61998720), (343, 60733440), (360, 57865472), (384, 54248880), (392, 53141760), (420, 49598976), (441, 47237120), (448, 46499040), (480, 43399104), (490, 42513408), (504, 41332480), (512, 40686660), (560, 37199232), (576, 36165920), (588, 35427840), (630, 33065984), (640, 32549328), (659, 31610880), (672, 30999360), (686, 30366720), (720, 28932736), (735, 28342272), (768, 27124440), (784, 26570880), (840, 24799488), (882, 23618560), (896, 23249520), (960, 21699552), (980, 21256704), (1008, 20666240), (1024, 20343330), (1029, 20244480), (1120, 18599616), (1152, 18082960), (1176, 17713920), (1260, 16532992), (1280, 16274664), (1318, 15805440), (1344, 15499680), (1372, 15183360), (1440, 14466368), (1470, 14171136), (1536, 13562220), (1568, 13285440), (1680, 12399744), (1715, 12146688), (1764, 11809280), (1792, 11624760), (1920, 10849776), (1960, 10628352), (1977, 10536960), (2016, 10333120), (2048, 10171665), (2058, 10122240), (2205, 9447424), (2240, 9299808), (2304, 9041480), (2352, 8856960), (2520, 8266496), (2560, 8137332), (2636, 7902720), (2688, 7749840), (2744, 7591680), (2880, 7233184), (2940, 7085568), (3072, 6781110), (3087, 6748160), (3136, 6642720), (3295, 6322176), (3360, 6199872), (3430, 6073344), (3528, 5904640), (3584, 5812380), (3840, 5424888), (3920, 5314176), (3954, 5268480), (4032, 5166560), (4116, 5061120), (4410, 4723712), (4480, 4649904), (4608, 4520740), (4613, 4515840), (4704, 4428480), (5040, 4133248), (5120, 4068666), (5145, 4048896), (5272, 3951360), (5376, 3874920), (5488, 3795840), (5760, 3616592), (5880, 3542784), (5931, 3512320), (6144, 3390555), (6174, 3374080), (6272, 3321360), (6590, 3161088), (6720, 3099936), (6860, 3036672), (7056, 2952320), (7168, 2906190), (7680, 2712444), (7840, 2657088), (7908, 2634240), (8064, 2583280), (8232, 2530560), (8820, 2361856), (8960, 2324952), (9216, 2260370), (9226, 2257920), (9408, 2214240), (9885, 2107392), (10080, 2066624), (10240, 2034333), (10290, 2024448), (10544, 1975680), (10752, 1937460), (10976, 1897920), (11520, 1808296), (11760, 1771392), (11862, 1756160), (12348, 1687040), (12544, 1660680), (13180, 1580544), (13440, 1549968), (13720, 1518336), (13839, 1505280), (14112, 1476160), (14336, 1453095), (15360, 1356222), (15435, 1349632), (15680, 1328544), (15816, 1317120), (16128, 1291640), (16464, 1265280), (17640, 1180928), (17920, 1162476), (18432, 1130185), (18452, 1128960), (18816, 1107120), (19770, 1053696), (20160, 1033312), (20580, 1012224), (21088, 987840), (21504, 968730), (21952, 948960), (23040, 904148), (23065, 903168), (23520, 885696), (23724, 878080), (24696, 843520), (25088, 830340), (26360, 790272), (26880, 774984), (27440, 759168), (27678, 752640), (28224, 738080), (29655, 702464), (30720, 678111), (30870, 674816), (31360, 664272), (31632, 658560), (32256, 645820), (32291, 645120), (32928, 632640), (35280, 590464), (35840, 581238), (36904, 564480), (37632, 553560), (39540, 526848), (40320, 516656), (41160, 506112), (41517, 501760), (42176, 493920), (43008, 484365), (43904, 474480), (46080, 452074), (46130, 451584), (47040, 442848), (47448, 439040), (49392, 421760), (50176, 415170), (52720, 395136), (53760, 387492), (54880, 379584), (55356, 376320), (56448, 369040), (59310, 351232), (61740, 337408), (62720, 332136), (63264, 329280), (64512, 322910), (64582, 322560), (65856, 316320), (69195, 301056), (70560, 295232), (71680, 290619), (73808, 282240), (75264, 276780), (79080, 263424), (80640, 258328), (82320, 253056), (83034, 250880), (84352, 246960), (87808, 237240), (92160, 226037), (92260, 225792), (94080, 221424), (94896, 219520), (96873, 215040), (98784, 210880), (100352, 207585), (105440, 197568), (107520, 193746), (109760, 189792), (110712, 188160), (112896, 184520), (118620, 175616), (123480, 168704), (125440, 166068), (126528, 164640), (129024, 161455), (129164, 161280), (131712, 158160), (138390, 150528), (141120, 147616)]