20201474727

素因数分解:

$3^2\times 7^1\times {\mathrm{320658329}}^1$

素因数の和:320658342

約数の個数: 12

約数和(自身を含む): 33348466320

約数和(自身を除く): 13146991593

約数列:

[1, 3, 7, 9, 21, 63, 320658329, 961974987, 2244608303, 2885924961, 6733824909, 20201474727]

約数ペア:

[(1, 20201474727), (3, 6733824909), (7, 2885924961), (9, 2244608303), (21, 961974987), (63, 320658329)]