20928636

素因数分解:

$2^2\times 3^2\times {\mathrm{581351}}^1$

素因数の和:581361

約数の個数: 18

約数和(自身を含む): 52903032

約数和(自身を除く): 31974396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 581351, 1162702, 1744053, 2325404, 3488106, 5232159, 6976212, 10464318, 20928636]

約数ペア:

[(1, 20928636), (2, 10464318), (3, 6976212), (4, 5232159), (6, 3488106), (9, 2325404), (12, 1744053), (18, 1162702), (36, 581351)]