20003031

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1234

約数の個数: 28

約数和(自身を含む): 31321008

約数和(自身を除く): 11317977

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1193, 1863, 3579, 5589, 10737, 16767, 27439, 32211, 82317, 96633, 246951, 289899, 740853, 869697, 2222559, 6667677, 20003031]

約数ペア:

[(1, 20003031), (3, 6667677), (9, 2222559), (23, 869697), (27, 740853), (69, 289899), (81, 246951), (207, 96633), (243, 82317), (621, 32211), (729, 27439), (1193, 16767), (1863, 10737), (3579, 5589)]