20266818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 50595840

約数和(自身を除く): 30329022

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 79, 138, 143, 158, 169, 237, 253, 286, 299, 338, 429, 474, 506, 507, 598, 759, 858, 869, 897, 1014, 1027, 1518, 1738, 1794, 1817, 1859, 2054, 2607, 3081, 3289, 3634, 3718, 3887, 5214, 5451, 5577, 6162, 6578, 7774, 9867, 10902, 11154, 11297, 11661, 13351, 19734, 19987, 22594, 23322, 23621, 26702, 33891, 39974, 40053, 42757, 47242, 59961, 67782, 70863, 80106, 85514, 119922, 128271, 141726, 146861, 256542, 259831, 293722, 307073, 440583, 519662, 614146, 779493, 881166, 921219, 1558986, 1842438, 3377803, 6755606, 10133409, 20266818]

約数ペア:

[(1, 20266818), (2, 10133409), (3, 6755606), (6, 3377803), (11, 1842438), (13, 1558986), (22, 921219), (23, 881166), (26, 779493), (33, 614146), (39, 519662), (46, 440583), (66, 307073), (69, 293722), (78, 259831), (79, 256542), (138, 146861), (143, 141726), (158, 128271), (169, 119922), (237, 85514), (253, 80106), (286, 70863), (299, 67782), (338, 59961), (429, 47242), (474, 42757), (506, 40053), (507, 39974), (598, 33891), (759, 26702), (858, 23621), (869, 23322), (897, 22594), (1014, 19987), (1027, 19734), (1518, 13351), (1738, 11661), (1794, 11297), (1817, 11154), (1859, 10902), (2054, 9867), (2607, 7774), (3081, 6578), (3289, 6162), (3634, 5577), (3718, 5451), (3887, 5214)]