20380155

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{36721}}^1$

素因数の和:36766

約数の個数: 16

約数和(自身を含む): 33490464

約数和(自身を除く): 13110309

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 36721, 110163, 183605, 550815, 1358677, 4076031, 6793385, 20380155]

約数ペア:

[(1, 20380155), (3, 6793385), (5, 4076031), (15, 1358677), (37, 550815), (111, 183605), (185, 110163), (555, 36721)]