20808211886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135118259}}^1$

素因数の和:135118279

約数の個数: 16

約数和(自身を含む): 38914058880

約数和(自身を除く): 18105846994

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135118259, 270236518, 945827813, 1486300849, 1891655626, 2972601698, 10404105943, 20808211886]

約数ペア:

[(1, 20808211886), (2, 10404105943), (7, 2972601698), (11, 1891655626), (14, 1486300849), (22, 945827813), (77, 270236518), (154, 135118259)]