20215143

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57593}}^1$

素因数の和:57615

約数の個数: 16

約数和(自身を含む): 32252640

約数和(自身を除く): 12037497

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57593, 172779, 518337, 748709, 1555011, 2246127, 6738381, 20215143]

約数ペア:

[(1, 20215143), (3, 6738381), (9, 2246127), (13, 1555011), (27, 748709), (39, 518337), (117, 172779), (351, 57593)]