20770255

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{3121}}^1$

素因数の和:3159

約数の個数: 16

約数和(自身を含む): 27423648

約数和(自身を除く): 6653393

約数列:

[1, 5, 11, 55, 121, 605, 1331, 3121, 6655, 15605, 34331, 171655, 377641, 1888205, 4154051, 20770255]

約数ペア:

[(1, 20770255), (5, 4154051), (11, 1888205), (55, 377641), (121, 171655), (605, 34331), (1331, 15605), (3121, 6655)]