20781955584

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2$

素因数の和:137

約数の個数: 540

約数和(自身を含む): 70440307938

約数和(自身を除く): 49658352354

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, 64, 72, 76, 78, 93, 96, 104, 114, 117, 124, 128, 144, 152, 156, 171, 186, 192, 208, 228, 234, 247, 248, 256, 279, 288, 304, 312, 342, 361, 372, 384, 403, 416, 456, 468, 494, 496, 512, 558, 576, 589, 608, 624, 684, 722, 741, 744, 768, 806, 832, 912, 936, 961, 988, 992, 1083, 1116, 1152, 1178, 1209, 1216, 1248, 1368, 1444, 1482, 1488, 1536, 1612, 1664, 1767, 1824, 1872, 1922, 1976, 1984, 2166, 2223, 2232, 2304, 2356, 2418, 2432, 2496, 2736, 2883, 2888, 2964, 2976, 3224, 3249, 3328, 3534, 3627, 3648, 3744, 3844, 3952, 3968, 4332, 4446, 4464, 4608, 4693, 4712, 4836, 4864, 4992, 5301, 5472, 5766, 5776, 5928, 5952, 6448, 6498, 6656, 7068, 7254, 7296, 7488, 7657, 7688, 7904, 7936, 8649, 8664, 8892, 8928, 9386, 9424, 9672, 9728, 9984, 10602, 10944, 11191, 11532, 11552, 11856, 11904, 12493, 12896, 12996, 14079, 14136, 14508, 14592, 14976, 15314, 15376, 15808, 15872, 17298, 17328, 17784, 17856, 18259, 18772, 18848, 19344, 19968, 21204, 21888, 22382, 22971, 23064, 23104, 23712, 23808, 24986, 25792, 25992, 28158, 28272, 29016, 29184, 29952, 30628, 30752, 31616, 33573, 34596, 34656, 35568, 35712, 36518, 37479, 37544, 37696, 38688, 42237, 42408, 43776, 44764, 45942, 46128, 46208, 47424, 47616, 49972, 51584, 51984, 54777, 56316, 56544, 58032, 59904, 61256, 61504, 63232, 67146, 68913, 69192, 69312, 71136, 71424, 73036, 74958, 75088, 75392, 77376, 84474, 84816, 87552, 89528, 91884, 92256, 92416, 94848, 99944, 100719, 103168, 103968, 109554, 112437, 112632, 113088, 116064, 122512, 123008, 126464, 134292, 137826, 138384, 138624, 142272, 142848, 145483, 146072, 149916, 150176, 150784, 154752, 164331, 168948, 169632, 179056, 183768, 184512, 184832, 189696, 199888, 201438, 206336, 207936, 219108, 224874, 225264, 226176, 232128, 237367, 245024, 246016, 268584, 275652, 276768, 277248, 284544, 290966, 292144, 299832, 300352, 301568, 309504, 328662, 337896, 339264, 346921, 358112, 367536, 369024, 379392, 399776, 402876, 415872, 436449, 438216, 449748, 450528, 452352, 464256, 474734, 490048, 492032, 537168, 551304, 553536, 554496, 569088, 581932, 584288, 599664, 600704, 619008, 657324, 675792, 678528, 693842, 712101, 716224, 735072, 738048, 799552, 805752, 831744, 872898, 876432, 899496, 901056, 904704, 928512, 949468, 980096, 1040763, 1074336, 1102608, 1107072, 1138176, 1163864, 1168576, 1199328, 1201408, 1309347, 1314648, 1351584, 1357056, 1387684, 1424202, 1432448, 1470144, 1476096, 1599104, 1611504, 1663488, 1745796, 1752864, 1798992, 1802112, 1857024, 1898936, 1960192, 2081526, 2136303, 2148672, 2205216, 2214144, 2327728, 2337152, 2398656, 2402816, 2618694, 2629296, 2703168, 2714112, 2775368, 2848404, 2864896, 2940288, 3122289, 3198208, 3223008, 3491592, 3505728, 3597984, 3604224, 3797872, 3920384, 4163052, 4272606, 4297344, 4410432, 4428288, 4509973, 4655456, 4674304, 4797312, 5237388, 5258592, 5406336, 5550736, 5696808, 5729792, 5880576, 6244578, 6396416, 6446016, 6983184, 7011456, 7195968, 7208448, 7595744, 8326104, 8545212, 8594688, 8820864, 9019946, 9310912, 9348608, 9594624, 10474776, 10517184, 10812672, 11101472, 11393616, 11761152, 12489156, 12892032, 13529919, 13966368, 14022912, 14391936, 15191488, 16652208, 17090424, 17189376, 17641728, 18039892, 18621824, 19189248, 20949552, 21034368, 21625344, 22202944, 22787232, 24978312, 25784064, 27059838, 27932736, 28045824, 28783872, 30382976, 33304416, 34180848, 35283456, 36079784, 37243648, 40589757, 41899104, 42068736, 44405888, 45574464, 49956624, 51568128, 54119676, 55865472, 57567744, 60765952, 66608832, 68361696, 72159568, 74487296, 81179514, 83798208, 84137472, 88811776, 91148928, 99913248, 108239352, 111730944, 121531904, 133217664, 136723392, 144319136, 162359028, 167596416, 177623552, 182297856, 199826496, 216478704, 223461888, 266435328, 273446784, 288638272, 324718056, 335192832, 364595712, 399652992, 432957408, 532870656, 546893568, 577276544, 649436112, 670385664, 799305984, 865914816, 1093787136, 1154553088, 1298872224, 1598611968, 1731829632, 2309106176, 2597744448, 3463659264, 5195488896, 6927318528, 10390977792, 20781955584]

約数ペア:

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