20687564864

素因数分解:

$2^6\times {\mathrm{887}}^1\times {\mathrm{364423}}^1$

素因数の和:365322

約数の個数: 28

約数和(自身を含む): 41098281024

約数和(自身を除く): 20410716160

約数列:

[1, 2, 4, 8, 16, 32, 64, 887, 1774, 3548, 7096, 14192, 28384, 56768, 364423, 728846, 1457692, 2915384, 5830768, 11661536, 23323072, 323243201, 646486402, 1292972804, 2585945608, 5171891216, 10343782432, 20687564864]

約数ペア:

[(1, 20687564864), (2, 10343782432), (4, 5171891216), (8, 2585945608), (16, 1292972804), (32, 646486402), (64, 323243201), (887, 23323072), (1774, 11661536), (3548, 5830768), (7096, 2915384), (14192, 1457692), (28384, 728846), (56768, 364423)]