20290155

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10651}}^1$

素因数の和:10786

約数の個数: 16

約数和(自身を含む): 32722944

約数和(自身を除く): 12432789

約数列:

[1, 3, 5, 15, 127, 381, 635, 1905, 10651, 31953, 53255, 159765, 1352677, 4058031, 6763385, 20290155]

約数ペア:

[(1, 20290155), (3, 6763385), (5, 4058031), (15, 1352677), (127, 159765), (381, 53255), (635, 31953), (1905, 10651)]