20489381640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:514

約数の個数: 768

約数和(自身を含む): 86951854080

約数和(自身を除く): 66462472440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 23, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 46, 52, 56, 60, 63, 65, 69, 70, 71, 72, 78, 84, 90, 91, 92, 104, 105, 115, 117, 120, 126, 130, 138, 140, 142, 156, 161, 168, 180, 182, 184, 195, 207, 210, 213, 230, 234, 252, 260, 273, 276, 280, 284, 299, 312, 315, 322, 345, 355, 360, 364, 383, 390, 414, 420, 426, 455, 460, 468, 483, 497, 504, 520, 546, 552, 568, 585, 598, 630, 639, 644, 690, 710, 728, 766, 780, 805, 819, 828, 840, 852, 897, 910, 920, 923, 936, 966, 994, 1035, 1065, 1092, 1149, 1170, 1196, 1260, 1278, 1288, 1365, 1380, 1420, 1449, 1491, 1495, 1532, 1560, 1610, 1633, 1638, 1656, 1704, 1794, 1820, 1846, 1915, 1932, 1988, 2070, 2093, 2130, 2184, 2298, 2340, 2392, 2415, 2485, 2520, 2556, 2681, 2691, 2730, 2760, 2769, 2840, 2898, 2982, 2990, 3064, 3195, 3220, 3266, 3276, 3447, 3588, 3640, 3692, 3830, 3864, 3976, 4095, 4140, 4186, 4260, 4473, 4485, 4596, 4615, 4680, 4830, 4899, 4970, 4979, 5112, 5362, 5382, 5460, 5538, 5745, 5796, 5964, 5980, 6279, 6390, 6440, 6461, 6532, 6552, 6894, 7176, 7245, 7384, 7455, 7660, 8043, 8165, 8190, 8280, 8307, 8372, 8520, 8809, 8946, 8970, 9192, 9230, 9660, 9798, 9940, 9958, 10465, 10724, 10764, 10920, 11076, 11431, 11490, 11592, 11928, 11960, 12558, 12780, 12922, 13064, 13405, 13455, 13788, 13845, 14490, 14697, 14910, 14937, 15320, 16086, 16330, 16380, 16614, 16744, 17235, 17618, 17892, 17940, 18460, 18837, 19320, 19383, 19596, 19880, 19916, 20930, 21229, 21448, 21528, 22152, 22365, 22862, 22980, 24129, 24495, 24895, 25116, 25560, 25844, 26427, 26810, 26910, 27193, 27576, 27690, 28980, 29394, 29820, 29874, 31395, 32172, 32305, 32660, 32760, 33228, 34293, 34470, 34853, 35236, 35784, 35880, 36920, 37674, 38766, 39192, 39832, 40215, 41535, 41860, 42458, 44045, 44730, 44811, 45724, 45960, 48258, 48990, 49790, 50232, 51688, 52854, 53620, 53820, 54386, 55380, 57155, 57960, 58149, 58788, 59640, 59748, 61663, 62790, 63687, 64344, 64610, 65320, 66456, 68586, 68940, 69706, 70472, 73485, 74685, 75348, 77532, 79281, 80430, 81579, 83070, 83720, 84916, 88090, 89460, 89622, 91448, 94185, 96516, 96915, 97980, 99580, 102879, 104559, 105708, 106145, 107240, 107640, 108772, 110760, 114310, 114517, 116298, 117576, 119496, 120645, 123326, 125580, 127374, 129220, 132135, 135965, 137172, 137880, 139412, 146970, 148603, 149370, 150696, 155064, 158562, 160860, 163158, 166140, 169832, 171465, 174265, 176180, 178920, 179244, 184989, 188370, 190351, 191061, 193032, 193830, 195960, 199160, 205758, 209118, 211416, 212290, 217544, 224055, 228620, 229034, 232596, 241290, 244737, 246652, 251160, 254748, 258440, 264270, 271930, 274344, 278824, 290745, 293940, 297206, 298740, 308315, 313677, 317124, 318435, 321720, 326316, 332280, 342930, 343551, 348530, 352360, 353509, 358488, 369978, 376740, 380702, 382122, 387660, 396405, 407895, 411516, 418236, 424580, 445809, 448110, 457240, 458068, 465192, 482580, 489474, 493304, 509496, 514395, 522795, 528540, 543860, 554967, 571053, 572585, 581490, 587880, 594412, 597480, 616630, 625439, 627354, 634248, 636870, 652632, 685860, 687102, 697060, 707018, 739956, 743015, 753480, 761404, 764244, 775320, 792810, 801619, 815790, 823032, 836472, 849160, 891618, 896220, 916136, 924945, 951755, 955305, 965160, 978948, 1028790, 1030653, 1045590, 1057080, 1060527, 1087720, 1109934, 1142106, 1145170, 1162980, 1188824, 1223685, 1233260, 1250878, 1254708, 1273740, 1337427, 1371720, 1374204, 1394120, 1414036, 1479912, 1486030, 1522808, 1528488, 1568385, 1585620, 1603238, 1631580, 1713159, 1717755, 1767545, 1783236, 1792440, 1849890, 1876317, 1903510, 1910610, 1957896, 2057580, 2061306, 2091180, 2121054, 2219868, 2229045, 2284212, 2290340, 2325960, 2404857, 2447370, 2466520, 2474563, 2501756, 2509416, 2547480, 2674854, 2748408, 2774835, 2828072, 2855265, 2972060, 3127195, 3136770, 3171240, 3181581, 3206476, 3263160, 3426318, 3435510, 3535090, 3566472, 3699780, 3752634, 3807020, 3821220, 4008095, 4115160, 4122612, 4182360, 4242108, 4378073, 4439736, 4458090, 4568424, 4580680, 4809714, 4894740, 4949126, 5003512, 5153265, 5302635, 5349708, 5549670, 5628951, 5710530, 5944120, 6254390, 6273540, 6363162, 6412952, 6687135, 6852636, 6871020, 7070180, 7214571, 7399560, 7423689, 7505268, 7614040, 7642440, 8016190, 8130707, 8245224, 8484216, 8565795, 8756146, 8916180, 9381585, 9619428, 9789480, 9898252, 10306530, 10605270, 10699416, 11099340, 11257902, 11421060, 12024285, 12372815, 12508780, 12547080, 12726324, 13134219, 13374270, 13705272, 13742040, 14140360, 14429142, 14847378, 15010536, 15907905, 16032380, 16261414, 17131590, 17512292, 17832360, 18763170, 19238856, 19796504, 20613060, 21210540, 21890365, 22198680, 22271067, 22515804, 22842120, 24048570, 24392121, 24745630, 25017560, 25452648, 26268438, 26748540, 28144755, 28858284, 29694756, 31815810, 32064760, 32522828, 34263180, 35024584, 36072855, 37118445, 37526340, 39402657, 40653535, 41226120, 42421080, 43780730, 44542134, 45031608, 48097140, 48784242, 49491260, 52536876, 53497080, 56289510, 56914949, 57716568, 59389512, 63631620, 65045656, 65671095, 68526360, 72145710, 73176363, 74236890, 75052680, 78805314, 81307070, 87561460, 89084268, 96194280, 97568484, 98982520, 105073752, 111355335, 112579020, 113829898, 121960605, 127263240, 131342190, 144291420, 146352726, 148473780, 157610628, 162614140, 170744847, 175122920, 178168536, 195136968, 197013285, 222710670, 225158040, 227659796, 243921210, 262684380, 284574745, 288582840, 292705452, 296947560, 315221256, 325228280, 341489694, 365881815, 394026570, 445421340, 455319592, 487842420, 512234541, 525368760, 569149490, 585410904, 682979388, 731763630, 788053140, 853724235, 890842680, 975684840, 1024469082, 1138298980, 1365958776, 1463527260, 1576106280, 1707448470, 2048938164, 2276597960, 2561172705, 2927054520, 3414896940, 4097876328, 5122345410, 6829793880, 10244690820, 20489381640]

約数ペア:

[(1, 20489381640), (2, 10244690820), (3, 6829793880), (4, 5122345410), (5, 4097876328), (6, 3414896940), (7, 2927054520), (8, 2561172705), (9, 2276597960), (10, 2048938164), (12, 1707448470), (13, 1576106280), (14, 1463527260), (15, 1365958776), (18, 1138298980), (20, 1024469082), (21, 975684840), (23, 890842680), (24, 853724235), (26, 788053140), (28, 731763630), (30, 682979388), (35, 585410904), (36, 569149490), (39, 525368760), (40, 512234541), (42, 487842420), (45, 455319592), (46, 445421340), (52, 394026570), (56, 365881815), (60, 341489694), (63, 325228280), (65, 315221256), (69, 296947560), (70, 292705452), (71, 288582840), (72, 284574745), (78, 262684380), (84, 243921210), (90, 227659796), (91, 225158040), (92, 222710670), (104, 197013285), (105, 195136968), (115, 178168536), (117, 175122920), (120, 170744847), (126, 162614140), (130, 157610628), (138, 148473780), (140, 146352726), (142, 144291420), (156, 131342190), (161, 127263240), (168, 121960605), (180, 113829898), (182, 112579020), (184, 111355335), (195, 105073752), (207, 98982520), (210, 97568484), (213, 96194280), (230, 89084268), (234, 87561460), (252, 81307070), (260, 78805314), (273, 75052680), (276, 74236890), (280, 73176363), (284, 72145710), (299, 68526360), (312, 65671095), (315, 65045656), (322, 63631620), (345, 59389512), (355, 57716568), (360, 56914949), (364, 56289510), (383, 53497080), (390, 52536876), (414, 49491260), (420, 48784242), (426, 48097140), (455, 45031608), (460, 44542134), (468, 43780730), (483, 42421080), (497, 41226120), (504, 40653535), (520, 39402657), (546, 37526340), (552, 37118445), (568, 36072855), (585, 35024584), (598, 34263180), (630, 32522828), (639, 32064760), (644, 31815810), (690, 29694756), (710, 28858284), (728, 28144755), (766, 26748540), (780, 26268438), (805, 25452648), (819, 25017560), (828, 24745630), (840, 24392121), (852, 24048570), (897, 22842120), (910, 22515804), (920, 22271067), (923, 22198680), (936, 21890365), (966, 21210540), (994, 20613060), (1035, 19796504), (1065, 19238856), (1092, 18763170), (1149, 17832360), (1170, 17512292), (1196, 17131590), (1260, 16261414), (1278, 16032380), (1288, 15907905), (1365, 15010536), (1380, 14847378), (1420, 14429142), (1449, 14140360), (1491, 13742040), (1495, 13705272), (1532, 13374270), (1560, 13134219), (1610, 12726324), (1633, 12547080), (1638, 12508780), (1656, 12372815), (1704, 12024285), (1794, 11421060), (1820, 11257902), (1846, 11099340), (1915, 10699416), (1932, 10605270), (1988, 10306530), (2070, 9898252), (2093, 9789480), (2130, 9619428), (2184, 9381585), (2298, 8916180), (2340, 8756146), (2392, 8565795), (2415, 8484216), (2485, 8245224), (2520, 8130707), (2556, 8016190), (2681, 7642440), (2691, 7614040), (2730, 7505268), (2760, 7423689), (2769, 7399560), (2840, 7214571), (2898, 7070180), (2982, 6871020), (2990, 6852636), (3064, 6687135), (3195, 6412952), (3220, 6363162), (3266, 6273540), (3276, 6254390), (3447, 5944120), (3588, 5710530), (3640, 5628951), (3692, 5549670), (3830, 5349708), (3864, 5302635), (3976, 5153265), (4095, 5003512), (4140, 4949126), (4186, 4894740), (4260, 4809714), (4473, 4580680), (4485, 4568424), (4596, 4458090), (4615, 4439736), (4680, 4378073), (4830, 4242108), (4899, 4182360), (4970, 4122612), (4979, 4115160), (5112, 4008095), (5362, 3821220), (5382, 3807020), (5460, 3752634), (5538, 3699780), (5745, 3566472), (5796, 3535090), (5964, 3435510), (5980, 3426318), (6279, 3263160), (6390, 3206476), (6440, 3181581), (6461, 3171240), (6532, 3136770), (6552, 3127195), (6894, 2972060), (7176, 2855265), (7245, 2828072), (7384, 2774835), (7455, 2748408), (7660, 2674854), (8043, 2547480), (8165, 2509416), (8190, 2501756), (8280, 2474563), (8307, 2466520), (8372, 2447370), (8520, 2404857), (8809, 2325960), (8946, 2290340), (8970, 2284212), (9192, 2229045), (9230, 2219868), (9660, 2121054), (9798, 2091180), (9940, 2061306), (9958, 2057580), (10465, 1957896), (10724, 1910610), (10764, 1903510), (10920, 1876317), (11076, 1849890), (11431, 1792440), (11490, 1783236), (11592, 1767545), (11928, 1717755), (11960, 1713159), (12558, 1631580), (12780, 1603238), (12922, 1585620), (13064, 1568385), (13405, 1528488), (13455, 1522808), (13788, 1486030), (13845, 1479912), (14490, 1414036), (14697, 1394120), (14910, 1374204), (14937, 1371720), (15320, 1337427), (16086, 1273740), (16330, 1254708), (16380, 1250878), (16614, 1233260), (16744, 1223685), (17235, 1188824), (17618, 1162980), (17892, 1145170), (17940, 1142106), (18460, 1109934), (18837, 1087720), (19320, 1060527), (19383, 1057080), (19596, 1045590), (19880, 1030653), (19916, 1028790), (20930, 978948), (21229, 965160), (21448, 955305), (21528, 951755), (22152, 924945), (22365, 916136), (22862, 896220), (22980, 891618), (24129, 849160), (24495, 836472), (24895, 823032), (25116, 815790), (25560, 801619), (25844, 792810), (26427, 775320), (26810, 764244), (26910, 761404), (27193, 753480), (27576, 743015), (27690, 739956), (28980, 707018), (29394, 697060), (29820, 687102), (29874, 685860), (31395, 652632), (32172, 636870), (32305, 634248), (32660, 627354), (32760, 625439), (33228, 616630), (34293, 597480), (34470, 594412), (34853, 587880), (35236, 581490), (35784, 572585), (35880, 571053), (36920, 554967), (37674, 543860), (38766, 528540), (39192, 522795), (39832, 514395), (40215, 509496), (41535, 493304), (41860, 489474), (42458, 482580), (44045, 465192), (44730, 458068), (44811, 457240), (45724, 448110), (45960, 445809), (48258, 424580), (48990, 418236), (49790, 411516), (50232, 407895), (51688, 396405), (52854, 387660), (53620, 382122), (53820, 380702), (54386, 376740), (55380, 369978), (57155, 358488), (57960, 353509), (58149, 352360), (58788, 348530), (59640, 343551), (59748, 342930), (61663, 332280), (62790, 326316), (63687, 321720), (64344, 318435), (64610, 317124), (65320, 313677), (66456, 308315), (68586, 298740), (68940, 297206), (69706, 293940), (70472, 290745), (73485, 278824), (74685, 274344), (75348, 271930), (77532, 264270), (79281, 258440), (80430, 254748), (81579, 251160), (83070, 246652), (83720, 244737), (84916, 241290), (88090, 232596), (89460, 229034), (89622, 228620), (91448, 224055), (94185, 217544), (96516, 212290), (96915, 211416), (97980, 209118), (99580, 205758), (102879, 199160), (104559, 195960), (105708, 193830), (106145, 193032), (107240, 191061), (107640, 190351), (108772, 188370), (110760, 184989), (114310, 179244), (114517, 178920), (116298, 176180), (117576, 174265), (119496, 171465), (120645, 169832), (123326, 166140), (125580, 163158), (127374, 160860), (129220, 158562), (132135, 155064), (135965, 150696), (137172, 149370), (137880, 148603), (139412, 146970)]