20616841

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 24427008

約数和(自身を除く): 3810167

約数列:

[1, 7, 53, 61, 371, 427, 911, 3233, 6377, 22631, 48283, 55571, 337981, 388997, 2945263, 20616841]

約数ペア:

[(1, 20616841), (7, 2945263), (53, 388997), (61, 337981), (371, 55571), (427, 48283), (911, 22631), (3233, 6377)]