20674545

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8779}}^1$

素因数の和:8944

約数の個数: 16

約数和(自身を含む): 33293760

約数和(自身を除く): 12619215

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8779, 26337, 43895, 131685, 1378303, 4134909, 6891515, 20674545]

約数ペア:

[(1, 20674545), (3, 6891515), (5, 4134909), (15, 1378303), (157, 131685), (471, 43895), (785, 26337), (2355, 8779)]