20173981611

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1494037}}^1$

素因数の和:1494690

約数の個数: 16

約数和(自身を含む): 30789135104

約数和(自身を除く): 10615153493

約数列:

[1, 3, 7, 21, 643, 1929, 4501, 13503, 1494037, 4482111, 10458259, 31374777, 960665791, 2881997373, 6724660537, 20173981611]

約数ペア:

[(1, 20173981611), (3, 6724660537), (7, 2881997373), (21, 960665791), (643, 31374777), (1929, 10458259), (4501, 4482111), (13503, 1494037)]