20173843389

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50561011}}^1$

素因数の和:50561040

約数の個数: 16

約数和(自身を含む): 32359047680

約数和(自身を除く): 12185204291

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 50561011, 151683033, 353927077, 960659209, 1061781231, 2881977627, 6724614463, 20173843389]

約数ペア:

[(1, 20173843389), (3, 6724614463), (7, 2881977627), (19, 1061781231), (21, 960659209), (57, 353927077), (133, 151683033), (399, 50561011)]