20481272448

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 768

約数和(自身を含む): 73243376640

約数和(自身を除く): 52762104192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 32, 37, 39, 42, 48, 49, 52, 56, 62, 64, 73, 74, 78, 84, 91, 93, 96, 98, 104, 111, 112, 124, 128, 146, 147, 148, 156, 168, 182, 186, 192, 196, 208, 217, 219, 222, 224, 248, 259, 273, 292, 294, 296, 312, 336, 364, 372, 384, 392, 403, 416, 434, 438, 444, 448, 481, 496, 511, 518, 546, 584, 588, 592, 624, 637, 651, 672, 728, 744, 777, 784, 806, 832, 868, 876, 888, 896, 949, 962, 992, 1022, 1036, 1092, 1147, 1168, 1176, 1184, 1209, 1248, 1274, 1302, 1344, 1443, 1456, 1488, 1519, 1533, 1554, 1568, 1612, 1664, 1736, 1752, 1776, 1813, 1898, 1911, 1924, 1984, 2044, 2072, 2184, 2263, 2294, 2336, 2352, 2368, 2418, 2496, 2548, 2604, 2688, 2701, 2821, 2847, 2886, 2912, 2976, 3038, 3066, 3108, 3136, 3224, 3367, 3441, 3472, 3504, 3552, 3577, 3626, 3796, 3822, 3848, 3968, 4088, 4144, 4368, 4526, 4557, 4588, 4672, 4704, 4736, 4836, 4992, 5096, 5208, 5402, 5439, 5642, 5694, 5772, 5824, 5952, 6076, 6132, 6216, 6272, 6448, 6643, 6734, 6789, 6882, 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約数ペア:

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