20121896417

素因数分解:

$7^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1\times {\mathrm{18043}}^1$

素因数の和:18872

約数の個数: 16

約数和(自身を含む): 23116529280

約数和(自身を除く): 2994632863

約数列:

[1, 7, 313, 509, 2191, 3563, 18043, 126301, 159317, 1115219, 5647459, 9183887, 39532213, 64287209, 2874556631, 20121896417]

約数ペア:

[(1, 20121896417), (7, 2874556631), (313, 64287209), (509, 39532213), (2191, 9183887), (3563, 5647459), (18043, 1115219), (126301, 159317)]