20178097918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{5689}}^1\times {\mathrm{161221}}^1$

素因数の和:166923

約数の個数: 16

約数和(自身を含む): 33024714480

約数和(自身を除く): 12846616562

約数列:

[1, 2, 11, 22, 5689, 11378, 62579, 125158, 161221, 322442, 1773431, 3546862, 917186269, 1834372538, 10089048959, 20178097918]

約数ペア:

[(1, 20178097918), (2, 10089048959), (11, 1834372538), (22, 917186269), (5689, 3546862), (11378, 1773431), (62579, 322442), (125158, 161221)]