20187565552

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:181

約数の個数: 360

約数和(自身を含む): 54434194560

約数和(自身を除く): 34246629008

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 31, 34, 44, 56, 59, 62, 68, 77, 88, 112, 118, 119, 124, 136, 154, 176, 187, 217, 236, 238, 248, 272, 289, 308, 341, 374, 413, 434, 472, 476, 496, 527, 578, 616, 649, 682, 748, 826, 868, 944, 952, 961, 1003, 1054, 1156, 1232, 1298, 1309, 1364, 1496, 1652, 1736, 1829, 1904, 1922, 2006, 2023, 2108, 2312, 2387, 2596, 2618, 2728, 2992, 3179, 3304, 3472, 3658, 3689, 3844, 4012, 4046, 4216, 4543, 4624, 4774, 5192, 5236, 5456, 5797, 6358, 6608, 6727, 7021, 7316, 7378, 7688, 8024, 8092, 8432, 8959, 9086, 9548, 10384, 10472, 10571, 11033, 11594, 12716, 12803, 13454, 14042, 14632, 14756, 15376, 16048, 16184, 16337, 17051, 17918, 18172, 19096, 20119, 20944, 21142, 22066, 22253, 23188, 25432, 25606, 26908, 28084, 29264, 29512, 31093, 32368, 32674, 34102, 35836, 36344, 38192, 40238, 40579, 42284, 44132, 44506, 46376, 50864, 51212, 53816, 56168, 56699, 59024, 62186, 62713, 65348, 68204, 71672, 72688, 73997, 77231, 80476, 81158, 84568, 88264, 89012, 92752, 98549, 102424, 107632, 112336, 113398, 114359, 119357, 124372, 125426, 130696, 136408, 140833, 143344, 147994, 154462, 160952, 162316, 169136, 176528, 178024, 179707, 187561, 197098, 204848, 217651, 226796, 228718, 238714, 248744, 250852, 261392, 272816, 277729, 281666, 295988, 308924, 321904, 324632, 342023, 356048, 359414, 375122, 394196, 396893, 435302, 453592, 457436, 477428, 497488, 501704, 528581, 555458, 563332, 591976, 617848, 623689, 649264, 684046, 689843, 718828, 750244, 788392, 793786, 870604, 907184, 914872, 954856, 963883, 1003408, 1057162, 1110916, 1126664, 1183952, 1235696, 1247378, 1257949, 1312927, 1368092, 1379686, 1437656, 1500488, 1576784, 1587572, 1741208, 1829744, 1909712, 1927766, 1944103, 2114324, 2221832, 2253328, 2394161, 2494756, 2515898, 2625854, 2736184, 2759372, 2875312, 3000976, 3055019, 3175144, 3482416, 3700067, 3855532, 3888206, 4228648, 4365823, 4443664, 4788322, 4989512, 5031796, 5251708, 5472368, 5518744, 5814391, 6110038, 6350288, 6747181, 7400134, 7711064, 7776412, 8457296, 8731646, 9576644, 9979024, 10063592, 10503416, 10602713, 11037488, 11628782, 12220076, 13494362, 14800268, 15422128, 15552824, 16386011, 17463292, 19153288, 20127184, 21006832, 21205426, 21385133, 23257564, 24440152, 26988724, 29600536, 31105648, 32772022, 34926584, 38306576, 40700737, 42410852, 42770266, 46515128, 48880304, 53977448, 59201072, 65544044, 69853168, 74218991, 81401474, 84821704, 85540532, 93030256, 107954896, 114702077, 131088088, 148437982, 162802948, 169643408, 171081064, 180246121, 229404154, 262176176, 296875964, 325605896, 342162128, 360492242, 458808308, 593751928, 651211792, 720984484, 917616616, 1187503856, 1261722847, 1441968968, 1835233232, 2523445694, 2883937936, 5046891388, 10093782776, 20187565552]

約数ペア:

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