20003396

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3947}}^1$

素因数の和:4139

約数の個数: 24

約数和(自身を含む): 40238016

約数和(自身を除く): 20234620

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 3947, 5068, 7894, 15788, 27629, 55258, 110516, 714407, 1428814, 2857628, 5000849, 10001698, 20003396]

約数ペア:

[(1, 20003396), (2, 10001698), (4, 5000849), (7, 2857628), (14, 1428814), (28, 714407), (181, 110516), (362, 55258), (724, 27629), (1267, 15788), (2534, 7894), (3947, 5068)]