20951293

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 24373440

約数和(自身を除く): 3422147

約数列:

[1, 11, 17, 181, 187, 619, 1991, 3077, 6809, 10523, 33847, 112039, 115753, 1232429, 1904663, 20951293]

約数ペア:

[(1, 20951293), (11, 1904663), (17, 1232429), (181, 115753), (187, 112039), (619, 33847), (1991, 10523), (3077, 6809)]