20185846720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 336

約数和(自身を含む): 54986346720

約数和(自身を除く): 34800500000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 61, 64, 65, 80, 104, 116, 122, 130, 145, 160, 169, 208, 211, 232, 244, 260, 290, 305, 320, 338, 377, 416, 422, 464, 488, 520, 580, 610, 676, 754, 793, 832, 844, 845, 928, 976, 1040, 1055, 1160, 1220, 1352, 1508, 1586, 1688, 1690, 1769, 1856, 1885, 1952, 2080, 2110, 2320, 2440, 2704, 2743, 3016, 3172, 3376, 3380, 3538, 3770, 3904, 3965, 4160, 4220, 4640, 4880, 4901, 5408, 5486, 6032, 6119, 6344, 6752, 6760, 7076, 7540, 7930, 8440, 8845, 9280, 9760, 9802, 10309, 10816, 10972, 12064, 12238, 12688, 12871, 13504, 13520, 13715, 14152, 15080, 15860, 16880, 17690, 19520, 19604, 20618, 21944, 22997, 24128, 24476, 24505, 25376, 25742, 27040, 27430, 28304, 30160, 30595, 31720, 33760, 35380, 35659, 39208, 41236, 43888, 45994, 48952, 49010, 50752, 51484, 51545, 54080, 54860, 56608, 60320, 61190, 63440, 64355, 67520, 70760, 71318, 78416, 79547, 82472, 87776, 91988, 97904, 98020, 102968, 103090, 109720, 113216, 114985, 120640, 122380, 126880, 128710, 141520, 142636, 156832, 159094, 164944, 167323, 175552, 178295, 183976, 195808, 196040, 205936, 206180, 219440, 229970, 244760, 253760, 257420, 283040, 285272, 298961, 313664, 318188, 329888, 334646, 356590, 367952, 373259, 391616, 392080, 397735, 411872, 412360, 438880, 459940, 489520, 514840, 566080, 570544, 597922, 636376, 659776, 669292, 713180, 735904, 746518, 784160, 795470, 823744, 824720, 836615, 877760, 919880, 979040, 1029680, 1034111, 1141088, 1195844, 1272752, 1338584, 1426360, 1471808, 1493036, 1494805, 1568320, 1590940, 1649440, 1673230, 1839760, 1866295, 1958080, 2059360, 2068222, 2175199, 2282176, 2391688, 2545504, 2677168, 2852720, 2986072, 2989610, 3181880, 3298880, 3346460, 3679520, 3732590, 4118720, 4136444, 4350398, 4783376, 4852367, 5091008, 5170555, 5354336, 5705440, 5972144, 5979220, 6363760, 6692920, 7359040, 7465180, 8272888, 8700796, 9566752, 9704734, 10341110, 10708672, 10875995, 11410880, 11944288, 11958440, 12727520, 13385840, 14930360, 16545776, 17401592, 19133504, 19409468, 20682220, 21751990, 23888576, 23916880, 24261835, 25455040, 26771680, 29860720, 33091552, 34803184, 38818936, 41364440, 43503980, 47833760, 48523670, 53543360, 59721440, 63080771, 66183104, 69606368, 77637872, 82728880, 87007960, 95667520, 97047340, 119442880, 126161542, 139212736, 155275744, 165457760, 174015920, 194094680, 252323084, 310551488, 315403855, 330915520, 348031840, 388189360, 504646168, 630807710, 696063680, 776378720, 1009292336, 1261615420, 1552757440, 2018584672, 2523230840, 4037169344, 5046461680, 10092923360, 20185846720]

約数ペア:

[(1, 20185846720), (2, 10092923360), (4, 5046461680), (5, 4037169344), (8, 2523230840), (10, 2018584672), (13, 1552757440), (16, 1261615420), (20, 1009292336), (26, 776378720), (29, 696063680), (32, 630807710), (40, 504646168), (52, 388189360), (58, 348031840), (61, 330915520), (64, 315403855), (65, 310551488), (80, 252323084), (104, 194094680), (116, 174015920), (122, 165457760), (130, 155275744), (145, 139212736), (160, 126161542), (169, 119442880), (208, 97047340), (211, 95667520), (232, 87007960), (244, 82728880), (260, 77637872), (290, 69606368), (305, 66183104), (320, 63080771), (338, 59721440), (377, 53543360), (416, 48523670), (422, 47833760), (464, 43503980), (488, 41364440), (520, 38818936), (580, 34803184), (610, 33091552), (676, 29860720), (754, 26771680), (793, 25455040), (832, 24261835), (844, 23916880), (845, 23888576), (928, 21751990), (976, 20682220), (1040, 19409468), (1055, 19133504), (1160, 17401592), (1220, 16545776), (1352, 14930360), (1508, 13385840), (1586, 12727520), (1688, 11958440), (1690, 11944288), (1769, 11410880), (1856, 10875995), (1885, 10708672), (1952, 10341110), (2080, 9704734), (2110, 9566752), (2320, 8700796), (2440, 8272888), (2704, 7465180), (2743, 7359040), (3016, 6692920), (3172, 6363760), (3376, 5979220), (3380, 5972144), (3538, 5705440), (3770, 5354336), (3904, 5170555), (3965, 5091008), (4160, 4852367), (4220, 4783376), (4640, 4350398), (4880, 4136444), (4901, 4118720), (5408, 3732590), (5486, 3679520), (6032, 3346460), (6119, 3298880), (6344, 3181880), (6752, 2989610), (6760, 2986072), (7076, 2852720), (7540, 2677168), (7930, 2545504), (8440, 2391688), (8845, 2282176), (9280, 2175199), (9760, 2068222), (9802, 2059360), (10309, 1958080), (10816, 1866295), (10972, 1839760), (12064, 1673230), (12238, 1649440), (12688, 1590940), (12871, 1568320), (13504, 1494805), (13520, 1493036), (13715, 1471808), (14152, 1426360), (15080, 1338584), (15860, 1272752), (16880, 1195844), (17690, 1141088), (19520, 1034111), (19604, 1029680), (20618, 979040), (21944, 919880), (22997, 877760), (24128, 836615), (24476, 824720), (24505, 823744), (25376, 795470), (25742, 784160), (27040, 746518), (27430, 735904), (28304, 713180), (30160, 669292), (30595, 659776), (31720, 636376), (33760, 597922), (35380, 570544), (35659, 566080), (39208, 514840), (41236, 489520), (43888, 459940), (45994, 438880), (48952, 412360), (49010, 411872), (50752, 397735), (51484, 392080), (51545, 391616), (54080, 373259), (54860, 367952), (56608, 356590), (60320, 334646), (61190, 329888), (63440, 318188), (64355, 313664), (67520, 298961), (70760, 285272), (71318, 283040), (78416, 257420), (79547, 253760), (82472, 244760), (87776, 229970), (91988, 219440), (97904, 206180), (98020, 205936), (102968, 196040), (103090, 195808), (109720, 183976), (113216, 178295), (114985, 175552), (120640, 167323), (122380, 164944), (126880, 159094), (128710, 156832), (141520, 142636)]