20403549

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1342

約数の個数: 32

約数和(自身を含む): 32870400

約数和(自身を除く): 12466851

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1283, 1767, 3849, 5301, 11547, 15903, 24377, 34641, 39773, 73131, 119319, 219393, 357957, 658179, 755687, 1073871, 2267061, 6801183, 20403549]

約数ペア:

[(1, 20403549), (3, 6801183), (9, 2267061), (19, 1073871), (27, 755687), (31, 658179), (57, 357957), (93, 219393), (171, 119319), (279, 73131), (513, 39773), (589, 34641), (837, 24377), (1283, 15903), (1767, 11547), (3849, 5301)]