20512894605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{195360901}}^1$

素因数の和:195360916

約数の個数: 16

約数和(自身を含む): 37509293184

約数和(自身を除く): 16996398579

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 195360901, 586082703, 976804505, 1367526307, 2930413515, 4102578921, 6837631535, 20512894605]

約数ペア:

[(1, 20512894605), (3, 6837631535), (5, 4102578921), (7, 2930413515), (15, 1367526307), (21, 976804505), (35, 586082703), (105, 195360901)]