20830433

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 18

約数和(自身を含む): 23680566

約数和(自身を除く): 2850133

約数列:

[1, 13, 23, 169, 233, 299, 529, 3029, 3887, 5359, 6877, 39377, 69667, 89401, 123257, 905671, 1602341, 20830433]

約数ペア:

[(1, 20830433), (13, 1602341), (23, 905671), (169, 123257), (233, 89401), (299, 69667), (529, 39377), (3029, 6877), (3887, 5359)]