20804725438

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11343907}}^1$

素因数の和:11344047

約数の個数: 16

約数和(自身を含む): 35937500544

約数和(自身を除く): 15132775106

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11343907, 22687814, 79407349, 158814698, 1486051817, 2972103634, 10402362719, 20804725438]

約数ペア:

[(1, 20804725438), (2, 10402362719), (7, 2972103634), (14, 1486051817), (131, 158814698), (262, 79407349), (917, 22687814), (1834, 11343907)]