20473479

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6509

約数の個数: 24

約数和(自身を含む): 33032272

約数和(自身を除く): 12558793

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6481, 19443, 58329, 84253, 174987, 252759, 524961, 758277, 1574883, 2274831, 6824493, 20473479]

約数ペア:

[(1, 20473479), (3, 6824493), (9, 2274831), (13, 1574883), (27, 758277), (39, 524961), (81, 252759), (117, 174987), (243, 84253), (351, 58329), (1053, 19443), (3159, 6481)]