20123486528

素因数分解:

$2^6\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{12613}}^1$

素因数の和:12979

約数の個数: 56

約数和(自身を含む): 40504411752

約数和(自身を除く): 20380925224

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 194, 257, 388, 514, 776, 1028, 1552, 2056, 3104, 4112, 6208, 8224, 12613, 16448, 24929, 25226, 49858, 50452, 99716, 100904, 199432, 201808, 398864, 403616, 797728, 807232, 1223461, 1595456, 2446922, 3241541, 4893844, 6483082, 9787688, 12966164, 19575376, 25932328, 39150752, 51864656, 78301504, 103729312, 207458624, 314429477, 628858954, 1257717908, 2515435816, 5030871632, 10061743264, 20123486528]

約数ペア:

[(1, 20123486528), (2, 10061743264), (4, 5030871632), (8, 2515435816), (16, 1257717908), (32, 628858954), (64, 314429477), (97, 207458624), (194, 103729312), (257, 78301504), (388, 51864656), (514, 39150752), (776, 25932328), (1028, 19575376), (1552, 12966164), (2056, 9787688), (3104, 6483082), (4112, 4893844), (6208, 3241541), (8224, 2446922), (12613, 1595456), (16448, 1223461), (24929, 807232), (25226, 797728), (49858, 403616), (50452, 398864), (99716, 201808), (100904, 199432)]