20588211

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1889}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 34201440

約数和(自身を除く): 13613229

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 1889, 3633, 5667, 10899, 13223, 17001, 39669, 119007, 326797, 980391, 2287579, 2941173, 6862737, 20588211]

約数ペア:

[(1, 20588211), (3, 6862737), (7, 2941173), (9, 2287579), (21, 980391), (63, 326797), (173, 119007), (519, 39669), (1211, 17001), (1557, 13223), (1889, 10899), (3633, 5667)]