2080222210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18911111}}^1$

素因数の和:18911129

約数の個数: 16

約数和(自身を含む): 4084800192

約数和(自身を除く): 2004577982

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 18911111, 37822222, 94555555, 189111110, 208022221, 416044442, 1040111105, 2080222210]

約数ペア:

[(1, 2080222210), (2, 1040111105), (5, 416044442), (10, 208022221), (11, 189111110), (22, 94555555), (55, 37822222), (110, 18911111)]