20207859

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7577}}^1$

素因数の和:7714

約数の個数: 16

約数和(自身を含む): 31039488

約数和(自身を除く): 10831629

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7577, 22731, 53039, 159117, 962279, 2886837, 6735953, 20207859]

約数ペア:

[(1, 20207859), (3, 6735953), (7, 2886837), (21, 962279), (127, 159117), (381, 53039), (889, 22731), (2667, 7577)]