20659145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5387}}^1$

素因数の和:5464

約数の個数: 16

約数和(自身を含む): 27155520

約数和(自身を除く): 6496375

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 5387, 26935, 70031, 317833, 350155, 1589165, 4131829, 20659145]

約数ペア:

[(1, 20659145), (5, 4131829), (13, 1589165), (59, 350155), (65, 317833), (295, 70031), (767, 26935), (3835, 5387)]