20801347

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 24304320

約数和(自身を除く): 3502973

約数列:

[1, 7, 89, 173, 193, 623, 1211, 1351, 15397, 17177, 33389, 107779, 120239, 233723, 2971621, 20801347]

約数ペア:

[(1, 20801347), (7, 2971621), (89, 233723), (173, 120239), (193, 107779), (623, 33389), (1211, 17177), (1351, 15397)]