20009756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12413}}^1$

素因数の和:12461

約数の個数: 24

約数和(自身を含む): 38930304

約数和(自身を除く): 18920548

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12413, 24826, 49652, 161369, 322738, 384803, 645476, 769606, 1539212, 5002439, 10004878, 20009756]

約数ペア:

[(1, 20009756), (2, 10004878), (4, 5002439), (13, 1539212), (26, 769606), (31, 645476), (52, 384803), (62, 322738), (124, 161369), (403, 49652), (806, 24826), (1612, 12413)]