20121905664

素因数分解:

$2^9\times 3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 480

約数和(自身を含む): 70218720000

約数和(自身を除く): 50096814336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 49, 56, 58, 63, 64, 72, 84, 87, 96, 98, 112, 116, 126, 128, 144, 147, 168, 174, 192, 196, 203, 224, 232, 252, 256, 261, 288, 294, 336, 343, 348, 384, 392, 406, 439, 441, 448, 464, 504, 512, 522, 576, 588, 609, 672, 686, 696, 768, 784, 812, 878, 882, 896, 928, 1008, 1029, 1044, 1152, 1176, 1218, 1317, 1344, 1372, 1392, 1421, 1536, 1568, 1624, 1756, 1764, 1792, 1827, 1856, 2016, 2058, 2088, 2304, 2352, 2436, 2634, 2688, 2744, 2784, 2842, 3073, 3087, 3136, 3248, 3512, 3528, 3584, 3654, 3712, 3951, 4032, 4116, 4176, 4263, 4608, 4704, 4872, 5268, 5376, 5488, 5568, 5684, 6146, 6174, 6272, 6496, 7024, 7056, 7308, 7424, 7902, 8064, 8232, 8352, 8526, 9219, 9408, 9744, 9947, 10536, 10752, 10976, 11136, 11368, 12292, 12348, 12544, 12731, 12789, 12992, 14048, 14112, 14616, 14848, 15804, 16128, 16464, 16704, 17052, 18438, 18816, 19488, 19894, 21072, 21511, 21952, 22272, 22736, 24584, 24696, 25088, 25462, 25578, 25984, 27657, 28096, 28224, 29232, 29841, 31608, 32256, 32928, 33408, 34104, 36876, 37632, 38193, 38976, 39788, 42144, 43022, 43904, 44544, 45472, 49168, 49392, 50924, 51156, 51968, 55314, 56192, 56448, 58464, 59682, 63216, 64533, 65856, 66816, 68208, 73752, 75264, 76386, 77952, 79576, 84288, 86044, 87808, 89117, 89523, 90944, 98336, 98784, 101848, 102312, 103936, 110628, 112384, 112896, 114579, 116928, 119364, 126432, 129066, 131712, 133632, 136416, 147504, 150577, 152772, 155904, 159152, 168576, 172088, 175616, 178234, 179046, 181888, 193599, 196672, 197568, 203696, 204624, 221256, 224768, 225792, 229158, 233856, 238728, 252864, 258132, 263424, 267351, 272832, 295008, 301154, 305544, 311808, 318304, 337152, 344176, 356468, 358092, 363776, 387198, 393344, 395136, 407392, 409248, 442512, 451731, 458316, 467712, 477456, 505728, 516264, 526848, 534702, 545664, 590016, 602308, 611088, 623819, 636608, 674304, 688352, 712936, 716184, 727552, 774396, 786688, 790272, 802053, 814784, 818496, 885024, 903462, 916632, 935424, 954912, 1011456, 1032528, 1069404, 1091328, 1180032, 1204616, 1222176, 1247638, 1273216, 1355193, 1376704, 1425872, 1432368, 1548792, 1573376, 1580544, 1604106, 1629568, 1636992, 1770048, 1806924, 1833264, 1871457, 1909824, 2022912, 2065056, 2138808, 2182656, 2360064, 2409232, 2444352, 2495276, 2546432, 2710386, 2753408, 2851744, 2864736, 3097584, 3208212, 3259136, 3273984, 3540096, 3613848, 3666528, 3742914, 3819648, 4130112, 4277616, 4366733, 4720128, 4818464, 4888704, 4990552, 5092864, 5420772, 5506816, 5614371, 5703488, 5729472, 6195168, 6416424, 6518272, 6547968, 7080192, 7227696, 7333056, 7485828, 7639296, 8260224, 8555232, 8733466, 9636928, 9777408, 9981104, 10841544, 11013632, 11228742, 11406976, 11458944, 12390336, 12832848, 13100199, 14160384, 14455392, 14666112, 14971656, 15278592, 16520448, 17110464, 17466932, 19273856, 19554816, 19962208, 21683088, 22457484, 22813952, 22917888, 24780672, 25665696, 26200398, 28910784, 29332224, 29943312, 33040896, 34220928, 34933864, 38547712, 39300597, 39924416, 43366176, 44914968, 45627904, 45835776, 49561344, 51331392, 52400796, 57821568, 58664448, 59886624, 68441856, 69867728, 77095424, 78601194, 79848832, 86732352, 89829936, 99122688, 102662784, 104801592, 115643136, 119773248, 136883712, 139735456, 157202388, 159697664, 173464704, 179659872, 205325568, 209603184, 231286272, 239546496, 279470912, 314404776, 319395328, 346929408, 359319744, 410651136, 419206368, 479092992, 558941824, 628809552, 693858816, 718639488, 838412736, 958185984, 1117883648, 1257619104, 1437278976, 1676825472, 2235767296, 2515238208, 2874557952, 3353650944, 5030476416, 6707301888, 10060952832, 20121905664]

約数ペア:

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