20255565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{122761}}^1$

素因数の和:122780

約数の個数: 16

約数和(自身を含む): 35355456

約数和(自身を除く): 15099891

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 122761, 368283, 613805, 1350371, 1841415, 4051113, 6751855, 20255565]

約数ペア:

[(1, 20255565), (3, 6751855), (5, 4051113), (11, 1841415), (15, 1350371), (33, 613805), (55, 368283), (165, 122761)]