20027655

素因数分解:

$3^4\times 5^1\times {\mathrm{49451}}^1$

素因数の和:49468

約数の個数: 20

約数和(自身を含む): 35902152

約数和(自身を除く): 15874497

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49451, 148353, 247255, 445059, 741765, 1335177, 2225295, 4005531, 6675885, 20027655]

約数ペア:

[(1, 20027655), (3, 6675885), (5, 4005531), (9, 2225295), (15, 1335177), (27, 741765), (45, 445059), (81, 247255), (135, 148353), (405, 49451)]