20659981

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2149619

約数列:

[1, 17, 31, 197, 199, 527, 3349, 3383, 6107, 6169, 39203, 103819, 104873, 666451, 1215293, 20659981]

約数ペア:

[(1, 20659981), (17, 1215293), (31, 666451), (197, 104873), (199, 103819), (527, 39203), (3349, 6169), (3383, 6107)]