20104869

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{677}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 28313280

約数和(自身を除く): 8208411

約数列:

[1, 3, 19, 57, 521, 677, 1563, 2031, 9899, 12863, 29697, 38589, 352717, 1058151, 6701623, 20104869]

約数ペア:

[(1, 20104869), (3, 6701623), (19, 1058151), (57, 352717), (521, 38589), (677, 29697), (1563, 12863), (2031, 9899)]