20852973

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 10858707

約数列:

[1, 3, 9, 23, 69, 131, 207, 393, 769, 1179, 2307, 3013, 6921, 9039, 17687, 27117, 53061, 100739, 159183, 302217, 906651, 2316997, 6950991, 20852973]

約数ペア:

[(1, 20852973), (3, 6950991), (9, 2316997), (23, 906651), (69, 302217), (131, 159183), (207, 100739), (393, 53061), (769, 27117), (1179, 17687), (2307, 9039), (3013, 6921)]