20359556

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3691}}^1$

素因数の和:3899

約数の個数: 24

約数和(自身を含む): 40936896

約数和(自身を除く): 20577340

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3691, 5516, 7382, 14764, 25837, 51674, 103348, 727127, 1454254, 2908508, 5089889, 10179778, 20359556]

約数ペア:

[(1, 20359556), (2, 10179778), (4, 5089889), (7, 2908508), (14, 1454254), (28, 727127), (197, 103348), (394, 51674), (788, 25837), (1379, 14764), (2758, 7382), (3691, 5516)]