20158753

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 2521247

約数列:

[1, 17, 19, 139, 323, 449, 2363, 2641, 7633, 8531, 44897, 62411, 145027, 1060987, 1185809, 20158753]

約数ペア:

[(1, 20158753), (17, 1185809), (19, 1060987), (139, 145027), (323, 62411), (449, 44897), (2363, 8531), (2641, 7633)]