20136599

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 25280640

約数和(自身を除く): 5144041

約数列:

[1, 7, 19, 43, 49, 133, 301, 503, 817, 931, 2107, 3521, 5719, 9557, 21629, 24647, 40033, 66899, 151403, 410951, 468293, 1059821, 2876657, 20136599]

約数ペア:

[(1, 20136599), (7, 2876657), (19, 1059821), (43, 468293), (49, 410951), (133, 151403), (301, 66899), (503, 40033), (817, 24647), (931, 21629), (2107, 9557), (3521, 5719)]