20842935

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81737}}^1$

素因数の和:81762

約数の個数: 16

約数和(自身を含む): 35310816

約数和(自身を除く): 14467881

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 81737, 245211, 408685, 1226055, 1389529, 4168587, 6947645, 20842935]

約数ペア:

[(1, 20842935), (3, 6947645), (5, 4168587), (15, 1389529), (17, 1226055), (51, 408685), (85, 245211), (255, 81737)]