20206291

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1093}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 24505600

約数和(自身を除く): 4299309

約数列:

[1, 7, 19, 133, 139, 973, 1093, 2641, 7651, 18487, 20767, 145369, 151927, 1063489, 2886613, 20206291]

約数ペア:

[(1, 20206291), (7, 2886613), (19, 1063489), (133, 151927), (139, 145369), (973, 20767), (1093, 18487), (2641, 7651)]