20987040672

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:417

約数の個数: 432

約数和(自身を含む): 70136146080

約数和(自身を除く): 49149105408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 31, 32, 36, 38, 39, 48, 52, 57, 62, 72, 76, 78, 93, 96, 104, 114, 117, 124, 144, 152, 156, 171, 186, 208, 228, 234, 247, 248, 279, 288, 304, 307, 312, 342, 372, 403, 416, 456, 468, 494, 496, 558, 589, 608, 614, 624, 684, 741, 744, 806, 912, 921, 936, 961, 988, 992, 1116, 1178, 1209, 1228, 1248, 1368, 1482, 1488, 1612, 1767, 1824, 1842, 1872, 1922, 1976, 2223, 2232, 2356, 2418, 2456, 2736, 2763, 2883, 2964, 2976, 3224, 3534, 3627, 3684, 3744, 3844, 3952, 3991, 4446, 4464, 4712, 4836, 4912, 5301, 5472, 5526, 5766, 5833, 5928, 6448, 7068, 7254, 7368, 7657, 7688, 7904, 7982, 8649, 8892, 8928, 9424, 9517, 9672, 9824, 10602, 11052, 11532, 11666, 11856, 11973, 12493, 12896, 14136, 14508, 14736, 15314, 15376, 15964, 17298, 17499, 17784, 18259, 18848, 19034, 19344, 21204, 22104, 22971, 23064, 23332, 23712, 23946, 24986, 28272, 28551, 29016, 29472, 30628, 30752, 31928, 34596, 34998, 35568, 35919, 36518, 37479, 38068, 38688, 42408, 44208, 45942, 46128, 46664, 47892, 49972, 52497, 54777, 56544, 57102, 58032, 61256, 63856, 68913, 69192, 69996, 71136, 71838, 73036, 74958, 75829, 76136, 84816, 85653, 88416, 91884, 92256, 93328, 95784, 99944, 104994, 109554, 112437, 114204, 116064, 122512, 123721, 127712, 137826, 138384, 139992, 143676, 146072, 149916, 151658, 152272, 164331, 169632, 171306, 180823, 183768, 186656, 191568, 199888, 209988, 219108, 224874, 227487, 228408, 237367, 245024, 247442, 275652, 276768, 279984, 287352, 292144, 295027, 299832, 303316, 304544, 328662, 342612, 361646, 367536, 371163, 383136, 399776, 419976, 438216, 449748, 454974, 456816, 474734, 494884, 542469, 551304, 559968, 574704, 584288, 590054, 599664, 606632, 657324, 682461, 685224, 712101, 723292, 735072, 742326, 839952, 876432, 885081, 899496, 909948, 913632, 949468, 989768, 1084938, 1102608, 1113489, 1149408, 1180108, 1199328, 1213264, 1314648, 1364922, 1370448, 1424202, 1446584, 1484652, 1627407, 1679904, 1752864, 1770162, 1798992, 1819896, 1898936, 1979536, 2136303, 2169876, 2205216, 2226978, 2350699, 2360216, 2426528, 2629296, 2655243, 2729844, 2740896, 2848404, 2893168, 2969304, 3254814, 3540324, 3597984, 3639792, 3797872, 3835351, 3959072, 4272606, 4339752, 4453956, 4701398, 4720432, 5258592, 5310486, 5459688, 5605513, 5696808, 5786336, 5938608, 6509628, 7052097, 7080648, 7279584, 7595744, 7670702, 8545212, 8679504, 8907912, 9402796, 9440864, 10620972, 10919376, 11211026, 11393616, 11506053, 11877216, 13019256, 14104194, 14161296, 15341404, 16816539, 17090424, 17359008, 17815824, 18805592, 21156291, 21241944, 21838752, 22422052, 22787232, 23012106, 26038512, 28208388, 28322592, 30682808, 33633078, 34180848, 34518159, 35631648, 37611184, 42312582, 42483888, 44844104, 46024212, 50449617, 52077024, 56416776, 61365616, 67266156, 68361696, 69036318, 72871669, 75222368, 84625164, 84967776, 89688208, 92048424, 100899234, 112833552, 122731232, 134532312, 138072636, 145743338, 169250328, 179376416, 184096848, 201798468, 218615007, 225667104, 269064624, 276145272, 291486676, 338500656, 368193696, 403596936, 437230014, 538129248, 552290544, 582973352, 655845021, 677001312, 807193872, 874460028, 1104581088, 1165946704, 1311690042, 1614387744, 1748920056, 2331893408, 2623380084, 3497840112, 5246760168, 6995680224, 10493520336, 20987040672]

約数ペア:

[(1, 20987040672), (2, 10493520336), (3, 6995680224), (4, 5246760168), (6, 3497840112), (8, 2623380084), (9, 2331893408), (12, 1748920056), (13, 1614387744), (16, 1311690042), (18, 1165946704), (19, 1104581088), (24, 874460028), (26, 807193872), (31, 677001312), (32, 655845021), (36, 582973352), (38, 552290544), (39, 538129248), (48, 437230014), (52, 403596936), (57, 368193696), (62, 338500656), (72, 291486676), (76, 276145272), (78, 269064624), (93, 225667104), (96, 218615007), (104, 201798468), (114, 184096848), (117, 179376416), (124, 169250328), (144, 145743338), (152, 138072636), (156, 134532312), (171, 122731232), (186, 112833552), (208, 100899234), (228, 92048424), (234, 89688208), (247, 84967776), (248, 84625164), (279, 75222368), (288, 72871669), (304, 69036318), (307, 68361696), (312, 67266156), (342, 61365616), (372, 56416776), (403, 52077024), (416, 50449617), (456, 46024212), (468, 44844104), (494, 42483888), (496, 42312582), (558, 37611184), (589, 35631648), (608, 34518159), (614, 34180848), (624, 33633078), (684, 30682808), (741, 28322592), (744, 28208388), (806, 26038512), (912, 23012106), (921, 22787232), (936, 22422052), (961, 21838752), (988, 21241944), (992, 21156291), (1116, 18805592), (1178, 17815824), (1209, 17359008), (1228, 17090424), (1248, 16816539), (1368, 15341404), (1482, 14161296), (1488, 14104194), (1612, 13019256), (1767, 11877216), (1824, 11506053), (1842, 11393616), (1872, 11211026), (1922, 10919376), (1976, 10620972), (2223, 9440864), (2232, 9402796), (2356, 8907912), (2418, 8679504), (2456, 8545212), (2736, 7670702), (2763, 7595744), (2883, 7279584), (2964, 7080648), (2976, 7052097), (3224, 6509628), (3534, 5938608), (3627, 5786336), (3684, 5696808), (3744, 5605513), (3844, 5459688), (3952, 5310486), (3991, 5258592), (4446, 4720432), (4464, 4701398), (4712, 4453956), (4836, 4339752), (4912, 4272606), (5301, 3959072), (5472, 3835351), (5526, 3797872), (5766, 3639792), (5833, 3597984), (5928, 3540324), (6448, 3254814), (7068, 2969304), (7254, 2893168), (7368, 2848404), (7657, 2740896), (7688, 2729844), (7904, 2655243), (7982, 2629296), (8649, 2426528), (8892, 2360216), (8928, 2350699), (9424, 2226978), (9517, 2205216), (9672, 2169876), (9824, 2136303), (10602, 1979536), (11052, 1898936), (11532, 1819896), (11666, 1798992), (11856, 1770162), (11973, 1752864), (12493, 1679904), (12896, 1627407), (14136, 1484652), (14508, 1446584), (14736, 1424202), (15314, 1370448), (15376, 1364922), (15964, 1314648), (17298, 1213264), (17499, 1199328), (17784, 1180108), (18259, 1149408), (18848, 1113489), (19034, 1102608), (19344, 1084938), (21204, 989768), (22104, 949468), (22971, 913632), (23064, 909948), (23332, 899496), (23712, 885081), (23946, 876432), (24986, 839952), (28272, 742326), (28551, 735072), (29016, 723292), (29472, 712101), (30628, 685224), (30752, 682461), (31928, 657324), (34596, 606632), (34998, 599664), (35568, 590054), (35919, 584288), (36518, 574704), (37479, 559968), (38068, 551304), (38688, 542469), (42408, 494884), (44208, 474734), (45942, 456816), (46128, 454974), (46664, 449748), (47892, 438216), (49972, 419976), (52497, 399776), (54777, 383136), (56544, 371163), (57102, 367536), (58032, 361646), (61256, 342612), (63856, 328662), (68913, 304544), (69192, 303316), (69996, 299832), (71136, 295027), (71838, 292144), (73036, 287352), (74958, 279984), (75829, 276768), (76136, 275652), (84816, 247442), (85653, 245024), (88416, 237367), (91884, 228408), (92256, 227487), (93328, 224874), (95784, 219108), (99944, 209988), (104994, 199888), (109554, 191568), (112437, 186656), (114204, 183768), (116064, 180823), (122512, 171306), (123721, 169632), (127712, 164331), (137826, 152272), (138384, 151658), (139992, 149916), (143676, 146072)]