20155436

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 41950272

約数和(自身を除く): 21794836

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 97, 164, 181, 194, 287, 362, 388, 574, 679, 724, 1148, 1267, 1358, 2534, 2716, 3977, 5068, 7421, 7954, 14842, 15908, 17557, 27839, 29684, 35114, 51947, 55678, 70228, 103894, 111356, 122899, 207788, 245798, 491596, 719837, 1439674, 2879348, 5038859, 10077718, 20155436]

約数ペア:

[(1, 20155436), (2, 10077718), (4, 5038859), (7, 2879348), (14, 1439674), (28, 719837), (41, 491596), (82, 245798), (97, 207788), (164, 122899), (181, 111356), (194, 103894), (287, 70228), (362, 55678), (388, 51947), (574, 35114), (679, 29684), (724, 27839), (1148, 17557), (1267, 15908), (1358, 14842), (2534, 7954), (2716, 7421), (3977, 5068)]