20928168

素因数分解:

$2^3\times 3^2\times {\mathrm{290669}}^1$

素因数の和:290681

約数の個数: 24

約数和(自身を含む): 56680650

約数和(自身を除く): 35752482

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 290669, 581338, 872007, 1162676, 1744014, 2325352, 2616021, 3488028, 5232042, 6976056, 10464084, 20928168]

約数ペア:

[(1, 20928168), (2, 10464084), (3, 6976056), (4, 5232042), (6, 3488028), (8, 2616021), (9, 2325352), (12, 1744014), (18, 1162676), (24, 872007), (36, 581338), (72, 290669)]