15846820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72031}}^1$

素因数の和:72051

約数の個数: 24

約数和(自身を含む): 36304128

約数和(自身を除く): 20457308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72031, 144062, 288124, 360155, 720310, 792341, 1440620, 1584682, 3169364, 3961705, 7923410, 15846820]

約数ペア:

[(1, 15846820), (2, 7923410), (4, 3961705), (5, 3169364), (10, 1584682), (11, 1440620), (20, 792341), (22, 720310), (44, 360155), (55, 288124), (110, 144062), (220, 72031)]