20748143

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 23821056

約数和(自身を除く): 3072913

約数列:

[1, 13, 17, 221, 223, 421, 2899, 3791, 5473, 7157, 49283, 93041, 93883, 1220479, 1596011, 20748143]

約数ペア:

[(1, 20748143), (13, 1596011), (17, 1220479), (221, 93883), (223, 93041), (421, 49283), (2899, 7157), (3791, 5473)]