20530797

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11779}}^1$

素因数の和:11872

約数の個数: 16

約数和(自身を含む): 31664640

約数和(自身を除く): 11133843

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 11779, 35337, 82453, 247359, 977657, 2932971, 6843599, 20530797]

約数ペア:

[(1, 20530797), (3, 6843599), (7, 2932971), (21, 977657), (83, 247359), (249, 82453), (581, 35337), (1743, 11779)]