20520387115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5614333}}^1$

素因数の和:5614398

約数の個数: 16

約数和(自身を含む): 26679315168

約数和(自身を除く): 6158928053

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5614333, 28071665, 95443661, 241416319, 477218305, 1207081595, 4104077423, 20520387115]

約数ペア:

[(1, 20520387115), (5, 4104077423), (17, 1207081595), (43, 477218305), (85, 241416319), (215, 95443661), (731, 28071665), (3655, 5614333)]