20778812361

素因数分解:

$3^3\times {\mathrm{1627}}^1\times {\mathrm{473009}}^1$

素因数の和:474645

約数の個数: 16

約数和(自身を含む): 30802411200

約数和(自身を除く): 10023598839

約数列:

[1, 3, 9, 27, 1627, 4881, 14643, 43929, 473009, 1419027, 4257081, 12771243, 769585643, 2308756929, 6926270787, 20778812361]

約数ペア:

[(1, 20778812361), (3, 6926270787), (9, 2308756929), (27, 769585643), (1627, 12771243), (4881, 4257081), (14643, 1419027), (43929, 473009)]