20845916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57269}}^1$

素因数の和:57293

約数の個数: 24

約数和(自身を含む): 44899680

約数和(自身を除く): 24053764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57269, 114538, 229076, 400883, 744497, 801766, 1488994, 1603532, 2977988, 5211479, 10422958, 20845916]

約数ペア:

[(1, 20845916), (2, 10422958), (4, 5211479), (7, 2977988), (13, 1603532), (14, 1488994), (26, 801766), (28, 744497), (52, 400883), (91, 229076), (182, 114538), (364, 57269)]