20172579

素因数分解:

$3^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{3571}}^1$

素因数の和:3850

約数の個数: 16

約数和(自身を含む): 30862080

約数和(自身を除く): 10689501

約数列:

[1, 3, 7, 21, 269, 807, 1883, 3571, 5649, 10713, 24997, 74991, 960599, 2881797, 6724193, 20172579]

約数ペア:

[(1, 20172579), (3, 6724193), (7, 2881797), (21, 960599), (269, 74991), (807, 24997), (1883, 10713), (3571, 5649)]