20217806

素因数分解:

$2^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{1693}}^1$

素因数の和:2555

約数の個数: 16

約数和(自身を含む): 34720224

約数和(自身を除く): 14502418

約数列:

[1, 2, 7, 14, 853, 1693, 1706, 3386, 5971, 11851, 11942, 23702, 1444129, 2888258, 10108903, 20217806]

約数ペア:

[(1, 20217806), (2, 10108903), (7, 2888258), (14, 1444129), (853, 23702), (1693, 11942), (1706, 11851), (3386, 5971)]