20039436

素因数分解:

$2^2\times 3^2\times {\mathrm{556651}}^1$

素因数の和:556661

約数の個数: 18

約数和(自身を含む): 50655332

約数和(自身を除く): 30615896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556651, 1113302, 1669953, 2226604, 3339906, 5009859, 6679812, 10019718, 20039436]

約数ペア:

[(1, 20039436), (2, 10019718), (3, 6679812), (4, 5009859), (6, 3339906), (9, 2226604), (12, 1669953), (18, 1113302), (36, 556651)]