20318771

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 3182029

約数列:

[1, 11, 19, 191, 209, 509, 2101, 3629, 5599, 9671, 39919, 97219, 106381, 1069409, 1847161, 20318771]

約数ペア:

[(1, 20318771), (11, 1847161), (19, 1069409), (191, 106381), (209, 97219), (509, 39919), (2101, 9671), (3629, 5599)]