20009889

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{8929}}^1$

素因数の和:9021

約数の個数: 16

約数和(自身を含む): 30004800

約数和(自身を除く): 9994911

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 8929, 26787, 80361, 241083, 741107, 2223321, 6669963, 20009889]

約数ペア:

[(1, 20009889), (3, 6669963), (9, 2223321), (27, 741107), (83, 241083), (249, 80361), (747, 26787), (2241, 8929)]