20918678976

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:135

約数の個数: 840

約数和(自身を含む): 76907532240

約数和(自身を除く): 55988853264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 19, 24, 26, 27, 31, 32, 34, 36, 38, 39, 48, 51, 52, 54, 57, 62, 64, 68, 72, 76, 78, 81, 93, 96, 102, 104, 108, 114, 117, 124, 136, 144, 152, 153, 156, 162, 171, 186, 192, 204, 208, 216, 221, 228, 234, 247, 248, 272, 279, 288, 304, 306, 312, 323, 324, 342, 351, 372, 403, 408, 416, 432, 442, 456, 459, 468, 494, 496, 513, 527, 544, 558, 576, 589, 608, 612, 624, 646, 648, 663, 684, 702, 741, 744, 806, 816, 832, 837, 864, 884, 912, 918, 936, 961, 969, 988, 992, 1026, 1053, 1054, 1088, 1116, 1178, 1209, 1216, 1224, 1248, 1292, 1296, 1326, 1368, 1377, 1404, 1482, 1488, 1539, 1581, 1612, 1632, 1674, 1728, 1767, 1768, 1824, 1836, 1872, 1922, 1938, 1976, 1984, 1989, 2052, 2106, 2108, 2223, 2232, 2356, 2418, 2448, 2496, 2511, 2584, 2592, 2652, 2736, 2754, 2808, 2883, 2907, 2964, 2976, 3078, 3162, 3224, 3264, 3348, 3534, 3536, 3627, 3648, 3672, 3744, 3844, 3876, 3952, 3978, 4104, 4199, 4212, 4216, 4446, 4464, 4712, 4743, 4836, 4896, 5022, 5168, 5184, 5301, 5304, 5472, 5508, 5616, 5766, 5814, 5928, 5952, 5967, 6156, 6324, 6448, 6669, 6696, 6851, 7068, 7072, 7254, 7344, 7488, 7657, 7688, 7752, 7904, 7956, 8208, 8398, 8424, 8432, 8649, 8721, 8892, 8928, 9424, 9486, 9672, 9792, 10013, 10044, 10336, 10602, 10608, 10881, 10944, 11016, 11232, 11532, 11628, 11856, 11934, 12312, 12493, 12597, 12648, 12896, 13338, 13392, 13702, 14136, 14144, 14229, 14508, 14688, 15314, 15376, 15504, 15808, 15903, 15912, 16337, 16416, 16796, 16848, 16864, 17298, 17442, 17784, 17856, 17901, 18259, 18848, 18972, 19344, 20007, 20026, 20088, 20553, 20672, 21204, 21216, 21762, 22032, 22464, 22971, 23064, 23256, 23712, 23868, 24624, 24986, 25194, 25296, 25792, 25947, 26163, 26676, 26784, 27404, 28272, 28458, 29016, 29376, 30039, 30628, 30752, 31008, 31806, 31824, 32643, 32674, 32832, 33592, 33696, 33728, 34596, 34884, 35568, 35802, 36518, 37479, 37696, 37791, 37944, 38688, 40014, 40052, 40176, 41106, 42408, 42432, 42687, 43524, 44064, 45942, 46128, 46512, 47424, 47709, 47736, 49011, 49248, 49972, 50388, 50592, 51894, 52326, 53352, 53568, 54777, 54808, 56544, 56916, 58032, 60078, 61256, 61504, 61659, 62016, 63612, 63648, 65286, 65348, 67184, 67392, 68913, 69192, 69768, 71136, 71604, 73036, 74958, 75582, 75888, 77376, 77841, 80028, 80104, 80352, 82212, 84816, 85374, 87048, 88128, 90117, 91884, 92256, 93024, 95418, 95472, 98022, 98496, 99944, 100776, 101184, 103788, 104652, 106704, 109554, 109616, 112437, 113088, 113373, 113832, 116064, 120156, 122512, 123318, 127224, 127296, 130169, 130572, 130696, 134368, 137826, 138384, 139536, 142272, 143208, 146072, 147033, 149916, 151164, 151776, 155682, 160056, 160208, 160704, 164331, 164424, 169632, 170748, 174096, 180234, 183768, 184512, 184977, 186048, 190836, 190944, 196044, 199888, 201552, 206739, 207576, 209304, 212381, 213408, 219108, 219232, 224874, 226746, 227664, 232128, 237367, 240312, 245024, 246636, 254448, 260338, 261144, 261392, 268736, 270351, 275652, 276768, 279072, 286416, 292144, 294066, 299832, 302328, 303552, 310403, 311364, 320112, 320416, 328662, 328848, 337311, 339264, 340119, 341496, 348192, 360468, 367536, 369954, 381672, 381888, 390507, 392088, 399776, 403104, 413478, 415152, 418608, 424762, 426816, 438216, 438464, 441099, 449748, 453492, 455328, 474734, 480624, 490048, 492993, 493272, 508896, 520676, 522288, 522784, 540702, 551304, 553536, 554931, 558144, 572832, 584288, 588132, 599664, 604656, 620217, 620806, 622728, 637143, 640224, 640832, 657324, 657696, 674622, 680238, 682992, 696384, 712101, 720936, 735072, 739908, 763344, 781014, 784176, 799552, 806208, 811053, 826956, 830304, 837216, 849524, 876432, 882198, 899496, 906984, 910656, 931209, 949468, 961248, 985986, 986544, 1011933, 1017792, 1041352, 1044576, 1045568, 1081404, 1102608, 1109862, 1145664, 1168576, 1171521, 1176264, 1199328, 1209312, 1240434, 1241612, 1245456, 1274286, 1280448, 1314648, 1315392, 1323297, 1349244, 1360476, 1365984, 1424202, 1441872, 1470144, 1478979, 1479816, 1526688, 1562028, 1568352, 1622106, 1653912, 1660608, 1674432, 1699048, 1752864, 1764396, 1798992, 1813968, 1862418, 1898936, 1911429, 1922496, 1971972, 1973088, 2023866, 2082704, 2089152, 2136303, 2162808, 2205216, 2219724, 2343042, 2352528, 2398656, 2418624, 2480868, 2483224, 2490912, 2548572, 2629296, 2646594, 2698488, 2720952, 2731968, 2793627, 2848404, 2883744, 2957958, 2959632, 3053376, 3124056, 3136704, 3244212, 3307824, 3398096, 3505728, 3514563, 3528792, 3597984, 3627936, 3724836, 3797872, 3822858, 3943944, 3946176, 4035239, 4047732, 4165408, 4272606, 4325616, 4410432, 4439448, 4686084, 4705056, 4961736, 4966448, 4981824, 5097144, 5258592, 5293188, 5396976, 5441904, 5587254, 5696808, 5734287, 5767488, 5915916, 5919264, 6248112, 6408909, 6488424, 6615648, 6796192, 7029126, 7057584, 7195968, 7255872, 7449672, 7595744, 7645716, 7887888, 8070478, 8095464, 8330816, 8380881, 8545212, 8651232, 8878896, 9372168, 9410112, 9923472, 9932896, 10194288, 10517184, 10543689, 10586376, 10793952, 10883808, 11174508, 11393616, 11468574, 11831832, 11838528, 12105717, 12496224, 12817818, 12976848, 13231296, 13592384, 14058252, 14115168, 14899344, 15191488, 15291432, 15775776, 16140956, 16190928, 16761762, 17090424, 17202861, 17302464, 17757792, 18744336, 19226727, 19846944, 19865792, 20388576, 21087378, 21172752, 21587904, 21767616, 22349016, 22787232, 22937148, 23663664, 24211434, 24992448, 25142643, 25635636, 25953696, 28116504, 28230336, 29798688, 30582864, 31551552, 32281912, 32381856, 33523524, 34180848, 34405722, 35515584, 36317151, 37488672, 38453454, 39693888, 40777152, 42174756, 42345504, 44698032, 45574464, 45874296, 47327328, 48422868, 50285286, 51271272, 51907392, 56233008, 59597376, 61165728, 64563824, 64763712, 67047048, 68361696, 68811444, 72634302, 74977344, 76906908, 84349512, 84691008, 89396064, 91748592, 94654656, 96845736, 100570572, 102542544, 108951453, 112466016, 122331456, 129127648, 134094096, 136723392, 137622888, 145268604, 153813816, 168699024, 178792128, 183497184, 193691472, 201141144, 205085088, 217902906, 224932032, 258255296, 268188192, 275245776, 290537208, 307627632, 326854359, 337398048, 366994368, 387382944, 402282288, 410170176, 435805812, 536376384, 550491552, 581074416, 615255264, 653708718, 674796096, 774765888, 804564576, 871611624, 1100983104, 1162148832, 1230510528, 1307417436, 1609129152, 1743223248, 2324297664, 2614834872, 3486446496, 5229669744, 6972892992, 10459339488, 20918678976]

約数ペア:

[(1, 20918678976), (2, 10459339488), (3, 6972892992), (4, 5229669744), (6, 3486446496), (8, 2614834872), (9, 2324297664), (12, 1743223248), (13, 1609129152), (16, 1307417436), (17, 1230510528), (18, 1162148832), (19, 1100983104), (24, 871611624), (26, 804564576), (27, 774765888), (31, 674796096), (32, 653708718), (34, 615255264), (36, 581074416), (38, 550491552), (39, 536376384), (48, 435805812), (51, 410170176), (52, 402282288), (54, 387382944), (57, 366994368), (62, 337398048), (64, 326854359), (68, 307627632), (72, 290537208), (76, 275245776), (78, 268188192), (81, 258255296), (93, 224932032), (96, 217902906), (102, 205085088), (104, 201141144), (108, 193691472), (114, 183497184), (117, 178792128), (124, 168699024), (136, 153813816), (144, 145268604), (152, 137622888), (153, 136723392), (156, 134094096), (162, 129127648), (171, 122331456), (186, 112466016), (192, 108951453), (204, 102542544), (208, 100570572), (216, 96845736), (221, 94654656), (228, 91748592), (234, 89396064), (247, 84691008), (248, 84349512), (272, 76906908), (279, 74977344), (288, 72634302), (304, 68811444), (306, 68361696), (312, 67047048), (323, 64763712), (324, 64563824), (342, 61165728), (351, 59597376), (372, 56233008), (403, 51907392), (408, 51271272), (416, 50285286), (432, 48422868), (442, 47327328), (456, 45874296), (459, 45574464), (468, 44698032), (494, 42345504), (496, 42174756), (513, 40777152), (527, 39693888), (544, 38453454), (558, 37488672), (576, 36317151), (589, 35515584), (608, 34405722), (612, 34180848), (624, 33523524), (646, 32381856), (648, 32281912), (663, 31551552), (684, 30582864), (702, 29798688), (741, 28230336), (744, 28116504), (806, 25953696), (816, 25635636), (832, 25142643), (837, 24992448), (864, 24211434), (884, 23663664), (912, 22937148), (918, 22787232), (936, 22349016), (961, 21767616), (969, 21587904), (988, 21172752), (992, 21087378), (1026, 20388576), (1053, 19865792), (1054, 19846944), (1088, 19226727), (1116, 18744336), (1178, 17757792), (1209, 17302464), (1216, 17202861), (1224, 17090424), (1248, 16761762), (1292, 16190928), (1296, 16140956), (1326, 15775776), (1368, 15291432), (1377, 15191488), (1404, 14899344), (1482, 14115168), (1488, 14058252), (1539, 13592384), (1581, 13231296), (1612, 12976848), (1632, 12817818), (1674, 12496224), (1728, 12105717), (1767, 11838528), (1768, 11831832), (1824, 11468574), (1836, 11393616), (1872, 11174508), (1922, 10883808), (1938, 10793952), (1976, 10586376), (1984, 10543689), (1989, 10517184), (2052, 10194288), (2106, 9932896), (2108, 9923472), (2223, 9410112), (2232, 9372168), (2356, 8878896), (2418, 8651232), (2448, 8545212), (2496, 8380881), (2511, 8330816), (2584, 8095464), (2592, 8070478), (2652, 7887888), (2736, 7645716), (2754, 7595744), (2808, 7449672), (2883, 7255872), (2907, 7195968), (2964, 7057584), (2976, 7029126), (3078, 6796192), (3162, 6615648), (3224, 6488424), (3264, 6408909), (3348, 6248112), (3534, 5919264), (3536, 5915916), (3627, 5767488), (3648, 5734287), (3672, 5696808), (3744, 5587254), (3844, 5441904), (3876, 5396976), (3952, 5293188), (3978, 5258592), (4104, 5097144), (4199, 4981824), (4212, 4966448), (4216, 4961736), (4446, 4705056), (4464, 4686084), (4712, 4439448), (4743, 4410432), (4836, 4325616), (4896, 4272606), (5022, 4165408), (5168, 4047732), (5184, 4035239), (5301, 3946176), (5304, 3943944), (5472, 3822858), (5508, 3797872), (5616, 3724836), (5766, 3627936), (5814, 3597984), (5928, 3528792), (5952, 3514563), (5967, 3505728), (6156, 3398096), (6324, 3307824), (6448, 3244212), (6669, 3136704), (6696, 3124056), (6851, 3053376), (7068, 2959632), (7072, 2957958), (7254, 2883744), (7344, 2848404), (7488, 2793627), (7657, 2731968), (7688, 2720952), (7752, 2698488), (7904, 2646594), (7956, 2629296), (8208, 2548572), (8398, 2490912), (8424, 2483224), (8432, 2480868), (8649, 2418624), (8721, 2398656), (8892, 2352528), (8928, 2343042), (9424, 2219724), (9486, 2205216), (9672, 2162808), (9792, 2136303), (10013, 2089152), (10044, 2082704), (10336, 2023866), (10602, 1973088), (10608, 1971972), (10881, 1922496), (10944, 1911429), (11016, 1898936), (11232, 1862418), (11532, 1813968), (11628, 1798992), (11856, 1764396), (11934, 1752864), (12312, 1699048), (12493, 1674432), (12597, 1660608), (12648, 1653912), (12896, 1622106), (13338, 1568352), (13392, 1562028), (13702, 1526688), (14136, 1479816), (14144, 1478979), (14229, 1470144), (14508, 1441872), (14688, 1424202), (15314, 1365984), (15376, 1360476), (15504, 1349244), (15808, 1323297), (15903, 1315392), (15912, 1314648), (16337, 1280448), (16416, 1274286), (16796, 1245456), (16848, 1241612), (16864, 1240434), (17298, 1209312), (17442, 1199328), (17784, 1176264), (17856, 1171521), (17901, 1168576), (18259, 1145664), (18848, 1109862), (18972, 1102608), (19344, 1081404), (20007, 1045568), (20026, 1044576), (20088, 1041352), (20553, 1017792), (20672, 1011933), (21204, 986544), (21216, 985986), (21762, 961248), (22032, 949468), (22464, 931209), (22971, 910656), (23064, 906984), (23256, 899496), (23712, 882198), (23868, 876432), (24624, 849524), (24986, 837216), (25194, 830304), (25296, 826956), (25792, 811053), (25947, 806208), (26163, 799552), (26676, 784176), (26784, 781014), (27404, 763344), (28272, 739908), (28458, 735072), (29016, 720936), (29376, 712101), (30039, 696384), (30628, 682992), (30752, 680238), (31008, 674622), (31806, 657696), (31824, 657324), (32643, 640832), (32674, 640224), (32832, 637143), (33592, 622728), (33696, 620806), (33728, 620217), (34596, 604656), (34884, 599664), (35568, 588132), (35802, 584288), (36518, 572832), (37479, 558144), (37696, 554931), (37791, 553536), (37944, 551304), (38688, 540702), (40014, 522784), (40052, 522288), (40176, 520676), (41106, 508896), (42408, 493272), (42432, 492993), (42687, 490048), (43524, 480624), (44064, 474734), (45942, 455328), (46128, 453492), (46512, 449748), (47424, 441099), (47709, 438464), (47736, 438216), (49011, 426816), (49248, 424762), (49972, 418608), (50388, 415152), (50592, 413478), (51894, 403104), (52326, 399776), (53352, 392088), (53568, 390507), (54777, 381888), (54808, 381672), (56544, 369954), (56916, 367536), (58032, 360468), (60078, 348192), (61256, 341496), (61504, 340119), (61659, 339264), (62016, 337311), (63612, 328848), (63648, 328662), (65286, 320416), (65348, 320112), (67184, 311364), (67392, 310403), (68913, 303552), (69192, 302328), (69768, 299832), (71136, 294066), (71604, 292144), (73036, 286416), (74958, 279072), (75582, 276768), (75888, 275652), (77376, 270351), (77841, 268736), (80028, 261392), (80104, 261144), (80352, 260338), (82212, 254448), (84816, 246636), (85374, 245024), (87048, 240312), (88128, 237367), (90117, 232128), (91884, 227664), (92256, 226746), (93024, 224874), (95418, 219232), (95472, 219108), (98022, 213408), (98496, 212381), (99944, 209304), (100776, 207576), (101184, 206739), (103788, 201552), (104652, 199888), (106704, 196044), (109554, 190944), (109616, 190836), (112437, 186048), (113088, 184977), (113373, 184512), (113832, 183768), (116064, 180234), (120156, 174096), (122512, 170748), (123318, 169632), (127224, 164424), (127296, 164331), (130169, 160704), (130572, 160208), (130696, 160056), (134368, 155682), (137826, 151776), (138384, 151164), (139536, 149916), (142272, 147033), (143208, 146072)]