20021091

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 27264384

約数和(自身を除く): 7243293

約数列:

[1, 3, 97, 107, 291, 321, 643, 1929, 10379, 31137, 62371, 68801, 187113, 206403, 6673697, 20021091]

約数ペア:

[(1, 20021091), (3, 6673697), (97, 206403), (107, 187113), (291, 68801), (321, 62371), (643, 31137), (1929, 10379)]