20780490069

素因数分解:

$3^2\times {\mathrm{193}}^1\times {\mathrm{547}}^1\times {\mathrm{21871}}^1$

素因数の和:22617

約数の個数: 24

約数和(自身を含む): 30228328832

約数和(自身を除く): 9447838763

約数列:

[1, 3, 9, 193, 547, 579, 1641, 1737, 4923, 21871, 65613, 105571, 196839, 316713, 950139, 4221103, 11963437, 12663309, 35890311, 37989927, 107670933, 2308943341, 6926830023, 20780490069]

約数ペア:

[(1, 20780490069), (3, 6926830023), (9, 2308943341), (193, 107670933), (547, 37989927), (579, 35890311), (1641, 12663309), (1737, 11963437), (4923, 4221103), (21871, 950139), (65613, 316713), (105571, 196839)]