20085850004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{819563}}^1$

素因数の和:820135

約数の個数: 24

約数和(自身を含む): 38414603808

約数和(自身を除く): 18328753804

約数列:

[1, 2, 4, 11, 22, 44, 557, 1114, 2228, 6127, 12254, 24508, 819563, 1639126, 3278252, 9015193, 18030386, 36060772, 456496591, 912993182, 1825986364, 5021462501, 10042925002, 20085850004]

約数ペア:

[(1, 20085850004), (2, 10042925002), (4, 5021462501), (11, 1825986364), (22, 912993182), (44, 456496591), (557, 36060772), (1114, 18030386), (2228, 9015193), (6127, 3278252), (12254, 1639126), (24508, 819563)]