20187628878

素因数分解:

$2^1\times 3^1\times {\mathrm{997}}^1\times {\mathrm{3374729}}^1$

素因数の和:3375731

約数の個数: 16

約数和(自身を含む): 40415766480

約数和(自身を除く): 20228137602

約数列:

[1, 2, 3, 6, 997, 1994, 2991, 5982, 3374729, 6749458, 10124187, 20248374, 3364604813, 6729209626, 10093814439, 20187628878]

約数ペア:

[(1, 20187628878), (2, 10093814439), (3, 6729209626), (6, 3364604813), (997, 20248374), (1994, 10124187), (2991, 6749458), (5982, 3374729)]