20778049210

素因数分解:

$2^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1850227}}^1$

素因数の和:1851357

約数の個数: 16

約数和(自身を含む): 37433812896

約数和(自身を除く): 16655763686

約数列:

[1, 2, 5, 10, 1123, 2246, 5615, 11230, 1850227, 3700454, 9251135, 18502270, 2077804921, 4155609842, 10389024605, 20778049210]

約数ペア:

[(1, 20778049210), (2, 10389024605), (5, 4155609842), (10, 2077804921), (1123, 18502270), (2246, 9251135), (5615, 3700454), (11230, 1850227)]