20801795

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34961}}^1$

素因数の和:34990

約数の個数: 16

約数和(自身を含む): 30207168

約数和(自身を除く): 9405373

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34961, 174805, 244727, 594337, 1223635, 2971685, 4160359, 20801795]

約数ペア:

[(1, 20801795), (5, 4160359), (7, 2971685), (17, 1223635), (35, 594337), (85, 244727), (119, 174805), (595, 34961)]