20384259

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{10007}}^1$

素因数の和:10114

約数の個数: 16

約数和(自身を含む): 31385088

約数和(自身を除く): 11000829

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 10007, 30021, 70049, 210147, 970679, 2912037, 6794753, 20384259]

約数ペア:

[(1, 20384259), (3, 6794753), (7, 2912037), (21, 970679), (97, 210147), (291, 70049), (679, 30021), (2037, 10007)]