20066571

素因数分解:

$3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{719}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 33246720

約数和(自身を除く): 13180149

約数列:

[1, 3, 7, 9, 21, 63, 443, 719, 1329, 2157, 3101, 3987, 5033, 6471, 9303, 15099, 27909, 45297, 318517, 955551, 2229619, 2866653, 6688857, 20066571]

約数ペア:

[(1, 20066571), (3, 6688857), (7, 2866653), (9, 2229619), (21, 955551), (63, 318517), (443, 45297), (719, 27909), (1329, 15099), (2157, 9303), (3101, 6471), (3987, 5033)]