20661311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:550

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 2839489

約数列:

[1, 11, 29, 239, 271, 319, 2629, 2981, 6931, 7859, 64769, 76241, 86449, 712459, 1878301, 20661311]

約数ペア:

[(1, 20661311), (11, 1878301), (29, 712459), (239, 86449), (271, 76241), (319, 64769), (2629, 7859), (2981, 6931)]