20107706085

素因数分解:

$3^4\times 5^1\times {\mathrm{49648657}}^1$

素因数の和:49648674

約数の個数: 20

約数和(自身を含む): 36044925708

約数和(自身を除く): 15937219623

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49648657, 148945971, 248243285, 446837913, 744729855, 1340513739, 2234189565, 4021541217, 6702568695, 20107706085]

約数ペア:

[(1, 20107706085), (3, 6702568695), (5, 4021541217), (9, 2234189565), (15, 1340513739), (27, 744729855), (45, 446837913), (81, 248243285), (135, 148945971), (405, 49648657)]