20842721536

素因数分解:

$2^8\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:131

約数の個数: 432

約数和(自身を含む): 56831376000

約数和(自身を除く): 35988654464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 32, 38, 49, 52, 56, 62, 64, 76, 91, 98, 104, 112, 124, 128, 133, 152, 182, 196, 208, 217, 224, 247, 248, 256, 266, 304, 343, 364, 392, 403, 416, 434, 448, 494, 496, 532, 589, 608, 637, 686, 728, 784, 806, 832, 868, 896, 931, 961, 988, 992, 1064, 1178, 1216, 1274, 1372, 1456, 1519, 1568, 1612, 1664, 1729, 1736, 1792, 1862, 1922, 1976, 1984, 2128, 2356, 2432, 2548, 2744, 2821, 2912, 3038, 3136, 3224, 3328, 3458, 3472, 3724, 3844, 3952, 3968, 4123, 4256, 4459, 4712, 4864, 5096, 5488, 5642, 5824, 6076, 6272, 6448, 6517, 6727, 6916, 6944, 7448, 7657, 7688, 7904, 7936, 8246, 8512, 8918, 9424, 10192, 10633, 10976, 11284, 11648, 12103, 12152, 12493, 12544, 12896, 13034, 13454, 13832, 13888, 14896, 15314, 15376, 15808, 16492, 17024, 17836, 18259, 18848, 19747, 20384, 21266, 21952, 22568, 23296, 24206, 24304, 24986, 25792, 26068, 26908, 27664, 27776, 28861, 29792, 30628, 30752, 31616, 32984, 34048, 35672, 36518, 37696, 39494, 40768, 42532, 43904, 45136, 47089, 48412, 48608, 49972, 51584, 52136, 53599, 53816, 55328, 55552, 57722, 59584, 61256, 61504, 63232, 65968, 71344, 73036, 75392, 78988, 81536, 84721, 85064, 87451, 87808, 90272, 94178, 96824, 97216, 99944, 103168, 104272, 107198, 107632, 110656, 115444, 119168, 122512, 123008, 127813, 131936, 138229, 142688, 146072, 150784, 157976, 163072, 169442, 170128, 174902, 180544, 188356, 193648, 194432, 199888, 202027, 208544, 214396, 215264, 221312, 230888, 237367, 238336, 245024, 246016, 255626, 263872, 276458, 285376, 292144, 315952, 329623, 338884, 340256, 349804, 361088, 375193, 376712, 387296, 388864, 399776, 404054, 417088, 428792, 430528, 442624, 461776, 474734, 490048, 511252, 527744, 552916, 570752, 584288, 612157, 631904, 659246, 677768, 680512, 699608, 722176, 750386, 753424, 774592, 799552, 808108, 834176, 857584, 861056, 894691, 923552, 949468, 980096, 1022504, 1055488, 1105832, 1141504, 1168576, 1224314, 1263808, 1318492, 1355536, 1361024, 1399216, 1500772, 1506848, 1549184, 1599104, 1616216, 1661569, 1668352, 1715168, 1722112, 1789382, 1847104, 1898936, 1960192, 2045008, 2211664, 2337152, 2448628, 2527616, 2626351, 2636984, 2711072, 2722048, 2798432, 3001544, 3013696, 3098368, 3198208, 3232432, 3323138, 3430336, 3578764, 3694208, 3797872, 4090016, 4285099, 4423328, 4674304, 4897256, 5055232, 5252702, 5273968, 5422144, 5596864, 6003088, 6027392, 6262837, 6464864, 6646276, 6860672, 7157528, 7388416, 7595744, 8180032, 8570198, 8846656, 9794512, 10505404, 10547936, 10844288, 11193728, 11630983, 12006176, 12054784, 12525674, 12929728, 13292552, 13721344, 14315056, 15191488, 16360064, 17140396, 17693312, 19589024, 21010808, 21095872, 21688576, 22387456, 23261966, 24012352, 25051348, 25859456, 26585104, 28630112, 30382976, 32720128, 34280792, 35386624, 39178048, 42021616, 42191744, 46523932, 48024704, 50102696, 51718912, 53170208, 57260224, 60765952, 68561584, 78356096, 81416881, 84043232, 84383488, 93047864, 96049408, 100205392, 106340416, 114520448, 137123168, 156712192, 162833762, 168086464, 186095728, 200410784, 212680832, 229040896, 274246336, 325667524, 336172928, 372191456, 400821568, 425361664, 548492672, 651335048, 672345856, 744382912, 801643136, 1096985344, 1302670096, 1488765824, 1603286272, 2605340192, 2977531648, 5210680384, 10421360768, 20842721536]

約数ペア:

[(1, 20842721536), (2, 10421360768), (4, 5210680384), (7, 2977531648), (8, 2605340192), (13, 1603286272), (14, 1488765824), (16, 1302670096), (19, 1096985344), (26, 801643136), (28, 744382912), (31, 672345856), (32, 651335048), (38, 548492672), (49, 425361664), (52, 400821568), (56, 372191456), (62, 336172928), (64, 325667524), (76, 274246336), (91, 229040896), (98, 212680832), (104, 200410784), (112, 186095728), (124, 168086464), (128, 162833762), (133, 156712192), (152, 137123168), (182, 114520448), (196, 106340416), (208, 100205392), (217, 96049408), (224, 93047864), (247, 84383488), (248, 84043232), (256, 81416881), (266, 78356096), (304, 68561584), (343, 60765952), (364, 57260224), (392, 53170208), (403, 51718912), (416, 50102696), (434, 48024704), (448, 46523932), (494, 42191744), (496, 42021616), (532, 39178048), (589, 35386624), (608, 34280792), (637, 32720128), (686, 30382976), (728, 28630112), (784, 26585104), (806, 25859456), (832, 25051348), (868, 24012352), (896, 23261966), (931, 22387456), (961, 21688576), (988, 21095872), (992, 21010808), (1064, 19589024), (1178, 17693312), (1216, 17140396), (1274, 16360064), (1372, 15191488), (1456, 14315056), (1519, 13721344), (1568, 13292552), (1612, 12929728), (1664, 12525674), (1729, 12054784), (1736, 12006176), (1792, 11630983), (1862, 11193728), (1922, 10844288), (1976, 10547936), (1984, 10505404), (2128, 9794512), (2356, 8846656), (2432, 8570198), (2548, 8180032), (2744, 7595744), (2821, 7388416), (2912, 7157528), (3038, 6860672), (3136, 6646276), (3224, 6464864), (3328, 6262837), (3458, 6027392), (3472, 6003088), (3724, 5596864), (3844, 5422144), (3952, 5273968), (3968, 5252702), (4123, 5055232), (4256, 4897256), (4459, 4674304), (4712, 4423328), (4864, 4285099), (5096, 4090016), (5488, 3797872), (5642, 3694208), (5824, 3578764), (6076, 3430336), (6272, 3323138), (6448, 3232432), (6517, 3198208), (6727, 3098368), (6916, 3013696), (6944, 3001544), (7448, 2798432), (7657, 2722048), (7688, 2711072), (7904, 2636984), (7936, 2626351), (8246, 2527616), (8512, 2448628), (8918, 2337152), (9424, 2211664), (10192, 2045008), (10633, 1960192), (10976, 1898936), (11284, 1847104), (11648, 1789382), (12103, 1722112), (12152, 1715168), (12493, 1668352), (12544, 1661569), (12896, 1616216), (13034, 1599104), (13454, 1549184), (13832, 1506848), (13888, 1500772), (14896, 1399216), (15314, 1361024), (15376, 1355536), (15808, 1318492), (16492, 1263808), (17024, 1224314), (17836, 1168576), (18259, 1141504), (18848, 1105832), (19747, 1055488), (20384, 1022504), (21266, 980096), (21952, 949468), (22568, 923552), (23296, 894691), (24206, 861056), (24304, 857584), (24986, 834176), (25792, 808108), (26068, 799552), (26908, 774592), (27664, 753424), (27776, 750386), (28861, 722176), (29792, 699608), (30628, 680512), (30752, 677768), (31616, 659246), (32984, 631904), (34048, 612157), (35672, 584288), (36518, 570752), (37696, 552916), (39494, 527744), (40768, 511252), (42532, 490048), (43904, 474734), (45136, 461776), (47089, 442624), (48412, 430528), (48608, 428792), (49972, 417088), (51584, 404054), (52136, 399776), (53599, 388864), (53816, 387296), (55328, 376712), (55552, 375193), (57722, 361088), (59584, 349804), (61256, 340256), (61504, 338884), (63232, 329623), (65968, 315952), (71344, 292144), (73036, 285376), (75392, 276458), (78988, 263872), (81536, 255626), (84721, 246016), (85064, 245024), (87451, 238336), (87808, 237367), (90272, 230888), (94178, 221312), (96824, 215264), (97216, 214396), (99944, 208544), (103168, 202027), (104272, 199888), (107198, 194432), (107632, 193648), (110656, 188356), (115444, 180544), (119168, 174902), (122512, 170128), (123008, 169442), (127813, 163072), (131936, 157976), (138229, 150784), (142688, 146072)]