20172571686

素因数分解:

$2^1\times 3^2\times {\mathrm{1997}}^1\times {\mathrm{561191}}^1$

素因数の和:563196

約数の個数: 24

約数和(自身を含む): 43729203024

約数和(自身を除く): 23556631338

約数列:

[1, 2, 3, 6, 9, 18, 1997, 3994, 5991, 11982, 17973, 35946, 561191, 1122382, 1683573, 3367146, 5050719, 10101438, 1120698427, 2241396854, 3362095281, 6724190562, 10086285843, 20172571686]

約数ペア:

[(1, 20172571686), (2, 10086285843), (3, 6724190562), (6, 3362095281), (9, 2241396854), (18, 1120698427), (1997, 10101438), (3994, 5050719), (5991, 3367146), (11982, 1683573), (17973, 1122382), (35946, 561191)]