20890792011

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6915191}}^1$

素因数の和:6915266

約数の個数: 16

約数和(自身を含む): 29873629440

約数和(自身を除く): 8982837429

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6915191, 20745573, 131388629, 366505123, 394165887, 1099515369, 6963597337, 20890792011]

約数ペア:

[(1, 20890792011), (3, 6963597337), (19, 1099515369), (53, 394165887), (57, 366505123), (159, 131388629), (1007, 20745573), (3021, 6915191)]