20260390

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20887}}^1$

素因数の和:20991

約数の個数: 16

約数和(自身を含む): 36846432

約数和(自身を除く): 16586042

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20887, 41774, 104435, 208870, 2026039, 4052078, 10130195, 20260390]

約数ペア:

[(1, 20260390), (2, 10130195), (5, 4052078), (10, 2026039), (97, 208870), (194, 104435), (485, 41774), (970, 20887)]