20895765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126641}}^1$

素因数の和:126660

約数の個数: 16

約数和(自身を含む): 36472896

約数和(自身を除く): 15577131

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126641, 379923, 633205, 1393051, 1899615, 4179153, 6965255, 20895765]

約数ペア:

[(1, 20895765), (3, 6965255), (5, 4179153), (11, 1899615), (15, 1393051), (33, 633205), (55, 379923), (165, 126641)]