20342115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26591}}^1$

素因数の和:26619

約数の個数: 24

約数和(自身を含む): 37335168

約数和(自身を除く): 16993053

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26591, 79773, 132955, 239319, 398865, 452047, 1196595, 1356141, 2260235, 4068423, 6780705, 20342115]

約数ペア:

[(1, 20342115), (3, 6780705), (5, 4068423), (9, 2260235), (15, 1356141), (17, 1196595), (45, 452047), (51, 398865), (85, 239319), (153, 132955), (255, 79773), (765, 26591)]