20461442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1279}}^1$

素因数の和:1721

約数の個数: 16

約数和(自身を含む): 32409600

約数和(自身を除く): 11948158

約数列:

[1, 2, 19, 38, 421, 842, 1279, 2558, 7999, 15998, 24301, 48602, 538459, 1076918, 10230721, 20461442]

約数ペア:

[(1, 20461442), (2, 10230721), (19, 1076918), (38, 538459), (421, 48602), (842, 24301), (1279, 15998), (2558, 7999)]