20838039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3119}}^1$

素因数の和:3270

約数の個数: 16

約数和(自身を含む): 29652480

約数和(自身を除く): 8814441

約数列:

[1, 3, 17, 51, 131, 393, 2227, 3119, 6681, 9357, 53023, 159069, 408589, 1225767, 6946013, 20838039]

約数ペア:

[(1, 20838039), (3, 6946013), (17, 1225767), (51, 408589), (131, 159069), (393, 53023), (2227, 9357), (3119, 6681)]