20161887164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2479327}}^1$

素因数の和:2479457

約数の個数: 24

約数和(自身を含む): 37487439360

約数和(自身を除く): 17325552196

約数列:

[1, 2, 4, 19, 38, 76, 107, 214, 428, 2033, 4066, 8132, 2479327, 4958654, 9917308, 47107213, 94214426, 188428852, 265287989, 530575978, 1061151956, 5040471791, 10080943582, 20161887164]

約数ペア:

[(1, 20161887164), (2, 10080943582), (4, 5040471791), (19, 1061151956), (38, 530575978), (76, 265287989), (107, 188428852), (214, 94214426), (428, 47107213), (2033, 9917308), (4066, 4958654), (8132, 2479327)]