20942045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{569}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 26717040

約数和(自身を除く): 5774995

約数列:

[1, 5, 17, 85, 433, 569, 2165, 2845, 7361, 9673, 36805, 48365, 246377, 1231885, 4188409, 20942045]

約数ペア:

[(1, 20942045), (5, 4188409), (17, 1231885), (85, 246377), (433, 48365), (569, 36805), (2165, 9673), (2845, 7361)]