20181362

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3847}}^1$

素因数の和:3953

約数の個数: 16

約数和(自身を含む): 31492032

約数和(自身を除く): 11310670

約数列:

[1, 2, 43, 61, 86, 122, 2623, 3847, 5246, 7694, 165421, 234667, 330842, 469334, 10090681, 20181362]

約数ペア:

[(1, 20181362), (2, 10090681), (43, 469334), (61, 330842), (86, 234667), (122, 165421), (2623, 7694), (3847, 5246)]