20938682

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:941

約数の個数: 16

約数和(自身を含む): 31970400

約数和(自身を除く): 11031718

約数列:

[1, 2, 109, 139, 218, 278, 691, 1382, 15151, 30302, 75319, 96049, 150638, 192098, 10469341, 20938682]

約数ペア:

[(1, 20938682), (2, 10469341), (109, 192098), (139, 150638), (218, 96049), (278, 75319), (691, 30302), (1382, 15151)]