20804185584

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 960

約数和(自身を含む): 82644710400

約数和(自身を除く): 61840524816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 19, 21, 23, 24, 26, 27, 28, 36, 38, 39, 42, 46, 48, 49, 52, 54, 56, 57, 63, 69, 72, 76, 78, 84, 91, 92, 98, 104, 108, 112, 114, 117, 126, 133, 138, 144, 147, 152, 156, 161, 168, 171, 173, 182, 184, 189, 196, 207, 208, 216, 228, 234, 247, 252, 266, 273, 276, 294, 299, 304, 312, 322, 336, 342, 346, 351, 364, 368, 378, 392, 399, 414, 432, 437, 441, 456, 468, 483, 494, 504, 513, 519, 532, 546, 552, 588, 598, 621, 624, 637, 644, 684, 692, 702, 728, 741, 756, 784, 798, 819, 828, 874, 882, 897, 912, 931, 936, 966, 988, 1008, 1026, 1038, 1064, 1092, 1104, 1127, 1176, 1196, 1197, 1211, 1242, 1274, 1288, 1311, 1323, 1368, 1384, 1404, 1449, 1456, 1482, 1512, 1557, 1596, 1638, 1656, 1729, 1748, 1764, 1794, 1862, 1872, 1911, 1932, 1976, 2052, 2076, 2093, 2128, 2184, 2223, 2249, 2254, 2352, 2392, 2394, 2422, 2457, 2484, 2548, 2576, 2622, 2646, 2691, 2736, 2768, 2793, 2808, 2898, 2964, 3024, 3059, 3114, 3192, 3276, 3287, 3312, 3381, 3458, 3496, 3528, 3588, 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約数ペア:

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