20603739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7237}}^1$

素因数の和:7326

約数の個数: 16

約数和(自身を含む): 29994272

約数和(自身を除く): 9390533

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 7237, 21711, 94081, 282243, 528301, 1584903, 6867913, 20603739]

約数ペア:

[(1, 20603739), (3, 6867913), (13, 1584903), (39, 528301), (73, 282243), (219, 94081), (949, 21711), (2847, 7237)]