20784107520

素因数分解:

$2^{12}\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 1040

約数和(自身を含む): 87344630208

約数和(自身を除く): 66560522688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 27, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 54, 55, 60, 64, 66, 67, 68, 72, 80, 81, 85, 88, 90, 96, 99, 102, 108, 110, 120, 128, 132, 134, 135, 136, 144, 153, 160, 162, 165, 170, 176, 180, 187, 192, 198, 201, 204, 216, 220, 240, 255, 256, 264, 268, 270, 272, 288, 297, 306, 320, 324, 330, 335, 340, 352, 360, 374, 384, 396, 402, 405, 408, 432, 440, 459, 480, 495, 510, 512, 528, 536, 540, 544, 561, 576, 594, 603, 612, 640, 648, 660, 670, 680, 704, 720, 737, 748, 765, 768, 792, 804, 810, 816, 864, 880, 891, 918, 935, 960, 990, 1005, 1020, 1024, 1056, 1072, 1080, 1088, 1122, 1139, 1152, 1188, 1206, 1224, 1280, 1296, 1320, 1340, 1360, 1377, 1408, 1440, 1474, 1485, 1496, 1530, 1536, 1584, 1608, 1620, 1632, 1683, 1728, 1760, 1782, 1809, 1836, 1870, 1920, 1980, 2010, 2040, 2048, 2112, 2144, 2160, 2176, 2211, 2244, 2278, 2295, 2304, 2376, 2412, 2448, 2560, 2592, 2640, 2680, 2720, 2754, 2805, 2816, 2880, 2948, 2970, 2992, 3015, 3060, 3072, 3168, 3216, 3240, 3264, 3366, 3417, 3456, 3520, 3564, 3618, 3672, 3685, 3740, 3840, 3960, 4020, 4080, 4096, 4224, 4288, 4320, 4352, 4422, 4455, 4488, 4556, 4590, 4608, 4752, 4824, 4896, 5049, 5120, 5184, 5280, 5360, 5427, 5440, 5508, 5610, 5632, 5695, 5760, 5896, 5940, 5984, 6030, 6120, 6144, 6336, 6432, 6480, 6528, 6633, 6732, 6834, 6885, 6912, 7040, 7128, 7236, 7344, 7370, 7480, 7680, 7920, 8040, 8160, 8415, 8448, 8576, 8640, 8704, 8844, 8910, 8976, 9045, 9112, 9180, 9216, 9504, 9648, 9792, 10098, 10240, 10251, 10368, 10560, 10720, 10854, 10880, 11016, 11055, 11220, 11264, 11390, 11520, 11792, 11880, 11968, 12060, 12240, 12288, 12529, 12672, 12864, 12960, 13056, 13266, 13464, 13668, 13770, 13824, 14080, 14256, 14472, 14688, 14740, 14960, 15147, 15360, 15840, 16080, 16320, 16830, 16896, 17085, 17152, 17280, 17408, 17688, 17820, 17952, 18090, 18224, 18360, 18432, 19008, 19296, 19584, 19899, 20196, 20480, 20502, 20736, 21120, 21440, 21708, 21760, 22032, 22110, 22440, 22528, 22780, 23040, 23584, 23760, 23936, 24120, 24480, 25058, 25245, 25344, 25728, 25920, 26112, 26532, 26928, 27135, 27336, 27540, 27648, 28160, 28512, 28944, 29376, 29480, 29920, 30294, 30720, 30753, 31680, 32160, 32640, 33165, 33660, 33792, 34170, 34304, 34560, 34816, 35376, 35640, 35904, 36180, 36448, 36720, 36864, 37587, 38016, 38592, 39168, 39798, 40392, 41004, 41472, 42240, 42880, 43416, 43520, 44064, 44220, 44880, 45056, 45560, 46080, 47168, 47520, 47872, 48240, 48960, 50116, 50490, 50688, 51255, 51456, 51840, 52224, 53064, 53856, 54270, 54672, 55080, 55296, 56320, 57024, 57888, 58752, 58960, 59697, 59840, 60588, 61440, 61506, 62645, 63360, 64320, 65280, 66330, 67320, 67584, 68340, 68608, 69120, 69632, 70752, 71280, 71808, 72360, 72896, 73440, 75174, 75735, 76032, 77184, 78336, 79596, 80784, 82008, 82944, 84480, 85760, 86832, 87040, 88128, 88440, 89760, 91120, 92160, 92259, 94336, 95040, 95744, 96480, 97920, 99495, 100232, 100980, 101376, 102510, 102912, 103680, 104448, 106128, 107712, 108540, 109344, 110160, 110592, 112640, 112761, 114048, 115776, 117504, 117920, 119394, 119680, 121176, 123012, 125290, 126720, 128640, 130560, 132660, 134640, 135168, 136680, 137216, 138240, 141504, 142560, 143616, 144720, 145792, 146880, 150348, 151470, 152064, 153765, 154368, 156672, 159192, 161568, 164016, 165888, 168960, 171520, 173664, 174080, 176256, 176880, 179520, 182240, 184320, 184518, 187935, 188672, 190080, 191488, 192960, 195840, 198990, 200464, 201960, 202752, 205020, 205824, 207360, 208896, 212256, 215424, 217080, 218688, 220320, 225280, 225522, 228096, 231552, 235008, 235840, 238788, 239360, 242352, 246024, 250580, 253440, 257280, 261120, 265320, 269280, 273360, 274432, 276480, 283008, 285120, 287232, 289440, 291584, 293760, 298485, 300696, 302940, 304128, 307530, 308736, 313344, 318384, 323136, 328032, 331776, 337920, 338283, 343040, 347328, 348160, 352512, 353760, 359040, 364480, 369036, 375870, 377344, 380160, 382976, 385920, 391680, 397980, 400928, 403920, 405504, 410040, 411648, 414720, 424512, 430848, 434160, 437376, 440640, 451044, 456192, 461295, 463104, 470016, 471680, 477576, 478720, 484704, 492048, 501160, 506880, 514560, 522240, 530640, 538560, 546720, 552960, 563805, 566016, 570240, 574464, 578880, 583168, 587520, 596970, 601392, 605880, 608256, 615060, 617472, 626688, 636768, 646272, 656064, 675840, 676566, 686080, 694656, 705024, 707520, 718080, 728960, 738072, 751740, 754688, 760320, 765952, 771840, 783360, 795960, 801856, 807840, 820080, 823296, 829440, 849024, 861696, 868320, 874752, 881280, 902088, 912384, 922590, 926208, 940032, 943360, 955152, 957440, 969408, 984096, 1002320, 1013760, 1014849, 1029120, 1044480, 1061280, 1077120, 1093440, 1127610, 1132032, 1140480, 1148928, 1157760, 1166336, 1175040, 1193940, 1202784, 1211760, 1216512, 1230120, 1234944, 1273536, 1292544, 1312128, 1353132, 1372160, 1389312, 1410048, 1415040, 1436160, 1457920, 1476144, 1503480, 1509376, 1520640, 1543680, 1566720, 1591920, 1603712, 1615680, 1640160, 1658880, 1691415, 1698048, 1723392, 1736640, 1749504, 1762560, 1804176, 1824768, 1845180, 1852416, 1880064, 1886720, 1910304, 1914880, 1938816, 1968192, 2004640, 2027520, 2029698, 2058240, 2122560, 2154240, 2186880, 2255220, 2264064, 2280960, 2297856, 2315520, 2332672, 2350080, 2387880, 2405568, 2423520, 2460240, 2469888, 2547072, 2585088, 2624256, 2706264, 2778624, 2820096, 2830080, 2872320, 2915840, 2952288, 3006960, 3018752, 3041280, 3087360, 3133440, 3183840, 3207424, 3231360, 3280320, 3382830, 3396096, 3446784, 3473280, 3499008, 3525120, 3608352, 3649536, 3690360, 3704832, 3773440, 3820608, 3829760, 3877632, 3936384, 4009280, 4059396, 4116480, 4245120, 4308480, 4373760, 4510440, 4528128, 4561920, 4631040, 4665344, 4700160, 4775760, 4811136, 4847040, 4920480, 5074245, 5094144, 5170176, 5248512, 5412528, 5557248, 5640192, 5660160, 5744640, 5831680, 5904576, 6013920, 6082560, 6174720, 6367680, 6414848, 6462720, 6560640, 6765660, 6792192, 6893568, 6946560, 6998016, 7050240, 7216704, 7380720, 7409664, 7546880, 7641216, 7755264, 7872768, 8018560, 8118792, 8490240, 8616960, 8747520, 9020880, 9056256, 9123840, 9262080, 9400320, 9551520, 9622272, 9694080, 9840960, 10148490, 10188288, 10340352, 10497024, 10825056, 11114496, 11320320, 11489280, 11663360, 11809152, 12027840, 12349440, 12735360, 12829696, 12925440, 13121280, 13531320, 13584384, 13893120, 13996032, 14100480, 14433408, 14761440, 15093760, 15282432, 15510528, 15745536, 16037120, 16237584, 16980480, 17233920, 17495040, 18041760, 18247680, 18524160, 19103040, 19244544, 19388160, 19681920, 20296980, 20376576, 20680704, 20994048, 21650112, 22228992, 22640640, 23326720, 23618304, 24055680, 25470720, 25659392, 25850880, 26242560, 27062640, 27168768, 27786240, 28200960, 28866816, 29522880, 30564864, 31021056, 31491072, 32074240, 32475168, 33960960, 34467840, 34990080, 36083520, 37048320, 38206080, 38489088, 38776320, 39363840, 40593960, 40753152, 41988096, 43300224, 45281280, 47236608, 48111360, 50941440, 51318784, 51701760, 52485120, 54125280, 55572480, 57733632, 59045760, 61129728, 62042112, 62982144, 64148480, 64950336, 67921920, 69980160, 72167040, 76412160, 76978176, 77552640, 78727680, 81187920, 81506304, 86600448, 94473216, 96222720, 101882880, 103403520, 104970240, 108250560, 111144960, 115467264, 118091520, 122259456, 125964288, 128296960, 129900672, 135843840, 144334080, 152824320, 153956352, 155105280, 157455360, 162375840, 173200896, 188946432, 192445440, 203765760, 209940480, 216501120, 230934528, 236183040, 244518912, 256593920, 259801344, 288668160, 305648640, 310210560, 314910720, 324751680, 346401792, 377892864, 384890880, 407531520, 433002240, 461869056, 472366080, 519602688, 577336320, 611297280, 629821440, 649503360, 692803584, 769781760, 866004480, 944732160, 1039205376, 1154672640, 1222594560, 1299006720, 1385607168, 1732008960, 1889464320, 2078410752, 2309345280, 2598013440, 3464017920, 4156821504, 5196026880, 6928035840, 10392053760, 20784107520]

約数ペア:

[(1, 20784107520), (2, 10392053760), (3, 6928035840), (4, 5196026880), (5, 4156821504), (6, 3464017920), (8, 2598013440), (9, 2309345280), (10, 2078410752), (11, 1889464320), (12, 1732008960), (15, 1385607168), (16, 1299006720), (17, 1222594560), (18, 1154672640), (20, 1039205376), (22, 944732160), (24, 866004480), (27, 769781760), (30, 692803584), (32, 649503360), (33, 629821440), (34, 611297280), (36, 577336320), (40, 519602688), (44, 472366080), (45, 461869056), (48, 433002240), (51, 407531520), (54, 384890880), (55, 377892864), (60, 346401792), (64, 324751680), (66, 314910720), (67, 310210560), (68, 305648640), (72, 288668160), (80, 259801344), (81, 256593920), (85, 244518912), (88, 236183040), (90, 230934528), (96, 216501120), (99, 209940480), (102, 203765760), (108, 192445440), (110, 188946432), (120, 173200896), (128, 162375840), (132, 157455360), (134, 155105280), (135, 153956352), (136, 152824320), (144, 144334080), (153, 135843840), (160, 129900672), (162, 128296960), (165, 125964288), (170, 122259456), (176, 118091520), (180, 115467264), (187, 111144960), (192, 108250560), (198, 104970240), (201, 103403520), (204, 101882880), (216, 96222720), (220, 94473216), (240, 86600448), (255, 81506304), (256, 81187920), (264, 78727680), (268, 77552640), (270, 76978176), (272, 76412160), (288, 72167040), (297, 69980160), (306, 67921920), (320, 64950336), (324, 64148480), (330, 62982144), (335, 62042112), (340, 61129728), (352, 59045760), (360, 57733632), (374, 55572480), (384, 54125280), (396, 52485120), (402, 51701760), (405, 51318784), (408, 50941440), (432, 48111360), (440, 47236608), (459, 45281280), (480, 43300224), (495, 41988096), (510, 40753152), (512, 40593960), (528, 39363840), (536, 38776320), (540, 38489088), (544, 38206080), (561, 37048320), (576, 36083520), (594, 34990080), (603, 34467840), (612, 33960960), (640, 32475168), (648, 32074240), (660, 31491072), (670, 31021056), (680, 30564864), (704, 29522880), (720, 28866816), (737, 28200960), (748, 27786240), (765, 27168768), (768, 27062640), (792, 26242560), (804, 25850880), (810, 25659392), (816, 25470720), (864, 24055680), (880, 23618304), (891, 23326720), (918, 22640640), (935, 22228992), (960, 21650112), (990, 20994048), (1005, 20680704), (1020, 20376576), (1024, 20296980), (1056, 19681920), (1072, 19388160), (1080, 19244544), (1088, 19103040), (1122, 18524160), (1139, 18247680), (1152, 18041760), (1188, 17495040), (1206, 17233920), (1224, 16980480), (1280, 16237584), (1296, 16037120), (1320, 15745536), (1340, 15510528), (1360, 15282432), (1377, 15093760), (1408, 14761440), (1440, 14433408), (1474, 14100480), (1485, 13996032), (1496, 13893120), (1530, 13584384), (1536, 13531320), (1584, 13121280), (1608, 12925440), (1620, 12829696), (1632, 12735360), (1683, 12349440), (1728, 12027840), (1760, 11809152), (1782, 11663360), (1809, 11489280), (1836, 11320320), (1870, 11114496), (1920, 10825056), (1980, 10497024), (2010, 10340352), (2040, 10188288), (2048, 10148490), (2112, 9840960), (2144, 9694080), (2160, 9622272), (2176, 9551520), (2211, 9400320), (2244, 9262080), (2278, 9123840), (2295, 9056256), (2304, 9020880), (2376, 8747520), (2412, 8616960), (2448, 8490240), (2560, 8118792), (2592, 8018560), (2640, 7872768), (2680, 7755264), (2720, 7641216), (2754, 7546880), (2805, 7409664), (2816, 7380720), (2880, 7216704), (2948, 7050240), (2970, 6998016), (2992, 6946560), (3015, 6893568), (3060, 6792192), (3072, 6765660), (3168, 6560640), (3216, 6462720), (3240, 6414848), (3264, 6367680), (3366, 6174720), (3417, 6082560), (3456, 6013920), (3520, 5904576), (3564, 5831680), (3618, 5744640), (3672, 5660160), (3685, 5640192), (3740, 5557248), (3840, 5412528), (3960, 5248512), (4020, 5170176), (4080, 5094144), (4096, 5074245), (4224, 4920480), (4288, 4847040), (4320, 4811136), (4352, 4775760), (4422, 4700160), (4455, 4665344), (4488, 4631040), (4556, 4561920), (4590, 4528128), (4608, 4510440), (4752, 4373760), (4824, 4308480), (4896, 4245120), (5049, 4116480), (5120, 4059396), (5184, 4009280), (5280, 3936384), (5360, 3877632), (5427, 3829760), (5440, 3820608), (5508, 3773440), (5610, 3704832), (5632, 3690360), (5695, 3649536), (5760, 3608352), (5896, 3525120), (5940, 3499008), (5984, 3473280), (6030, 3446784), (6120, 3396096), (6144, 3382830), (6336, 3280320), (6432, 3231360), (6480, 3207424), (6528, 3183840), (6633, 3133440), (6732, 3087360), (6834, 3041280), (6885, 3018752), (6912, 3006960), (7040, 2952288), (7128, 2915840), (7236, 2872320), (7344, 2830080), (7370, 2820096), (7480, 2778624), (7680, 2706264), (7920, 2624256), (8040, 2585088), (8160, 2547072), (8415, 2469888), (8448, 2460240), (8576, 2423520), (8640, 2405568), (8704, 2387880), (8844, 2350080), (8910, 2332672), (8976, 2315520), (9045, 2297856), (9112, 2280960), (9180, 2264064), (9216, 2255220), (9504, 2186880), (9648, 2154240), (9792, 2122560), (10098, 2058240), (10240, 2029698), (10251, 2027520), (10368, 2004640), (10560, 1968192), (10720, 1938816), (10854, 1914880), (10880, 1910304), (11016, 1886720), (11055, 1880064), (11220, 1852416), (11264, 1845180), (11390, 1824768), (11520, 1804176), (11792, 1762560), (11880, 1749504), (11968, 1736640), (12060, 1723392), (12240, 1698048), (12288, 1691415), (12529, 1658880), (12672, 1640160), (12864, 1615680), (12960, 1603712), (13056, 1591920), (13266, 1566720), (13464, 1543680), (13668, 1520640), (13770, 1509376), (13824, 1503480), (14080, 1476144), (14256, 1457920), (14472, 1436160), (14688, 1415040), (14740, 1410048), (14960, 1389312), (15147, 1372160), (15360, 1353132), (15840, 1312128), (16080, 1292544), (16320, 1273536), (16830, 1234944), (16896, 1230120), (17085, 1216512), (17152, 1211760), (17280, 1202784), (17408, 1193940), (17688, 1175040), (17820, 1166336), (17952, 1157760), (18090, 1148928), (18224, 1140480), (18360, 1132032), (18432, 1127610), (19008, 1093440), (19296, 1077120), (19584, 1061280), (19899, 1044480), (20196, 1029120), (20480, 1014849), (20502, 1013760), (20736, 1002320), (21120, 984096), (21440, 969408), (21708, 957440), (21760, 955152), (22032, 943360), (22110, 940032), (22440, 926208), (22528, 922590), (22780, 912384), (23040, 902088), (23584, 881280), (23760, 874752), (23936, 868320), (24120, 861696), (24480, 849024), (25058, 829440), (25245, 823296), (25344, 820080), (25728, 807840), (25920, 801856), (26112, 795960), (26532, 783360), (26928, 771840), (27135, 765952), (27336, 760320), (27540, 754688), (27648, 751740), (28160, 738072), (28512, 728960), (28944, 718080), (29376, 707520), (29480, 705024), (29920, 694656), (30294, 686080), (30720, 676566), (30753, 675840), (31680, 656064), (32160, 646272), (32640, 636768), (33165, 626688), (33660, 617472), (33792, 615060), (34170, 608256), (34304, 605880), (34560, 601392), (34816, 596970), (35376, 587520), (35640, 583168), (35904, 578880), (36180, 574464), (36448, 570240), (36720, 566016), (36864, 563805), (37587, 552960), (38016, 546720), (38592, 538560), (39168, 530640), (39798, 522240), (40392, 514560), (41004, 506880), (41472, 501160), (42240, 492048), (42880, 484704), (43416, 478720), (43520, 477576), (44064, 471680), (44220, 470016), (44880, 463104), (45056, 461295), (45560, 456192), (46080, 451044), (47168, 440640), (47520, 437376), (47872, 434160), (48240, 430848), (48960, 424512), (50116, 414720), (50490, 411648), (50688, 410040), (51255, 405504), (51456, 403920), (51840, 400928), (52224, 397980), (53064, 391680), (53856, 385920), (54270, 382976), (54672, 380160), (55080, 377344), (55296, 375870), (56320, 369036), (57024, 364480), (57888, 359040), (58752, 353760), (58960, 352512), (59697, 348160), (59840, 347328), (60588, 343040), (61440, 338283), (61506, 337920), (62645, 331776), (63360, 328032), (64320, 323136), (65280, 318384), (66330, 313344), (67320, 308736), (67584, 307530), (68340, 304128), (68608, 302940), (69120, 300696), (69632, 298485), (70752, 293760), (71280, 291584), (71808, 289440), (72360, 287232), (72896, 285120), (73440, 283008), (75174, 276480), (75735, 274432), (76032, 273360), (77184, 269280), (78336, 265320), (79596, 261120), (80784, 257280), (82008, 253440), (82944, 250580), (84480, 246024), (85760, 242352), (86832, 239360), (87040, 238788), (88128, 235840), (88440, 235008), (89760, 231552), (91120, 228096), (92160, 225522), (92259, 225280), (94336, 220320), (95040, 218688), (95744, 217080), (96480, 215424), (97920, 212256), (99495, 208896), (100232, 207360), (100980, 205824), (101376, 205020), (102510, 202752), (102912, 201960), (103680, 200464), (104448, 198990), (106128, 195840), (107712, 192960), (108540, 191488), (109344, 190080), (110160, 188672), (110592, 187935), (112640, 184518), (112761, 184320), (114048, 182240), (115776, 179520), (117504, 176880), (117920, 176256), (119394, 174080), (119680, 173664), (121176, 171520), (123012, 168960), (125290, 165888), (126720, 164016), (128640, 161568), (130560, 159192), (132660, 156672), (134640, 154368), (135168, 153765), (136680, 152064), (137216, 151470), (138240, 150348), (141504, 146880), (142560, 145792), (143616, 144720)]