20488706

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 38403072

約数和(自身を除く): 17914366

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2777, 3689, 5554, 7378, 19439, 38878, 47209, 86087, 94418, 172174, 330463, 602609, 660926, 1205218, 1463479, 2926958, 10244353, 20488706]

約数ペア:

[(1, 20488706), (2, 10244353), (7, 2926958), (14, 1463479), (17, 1205218), (31, 660926), (34, 602609), (62, 330463), (119, 172174), (217, 94418), (238, 86087), (434, 47209), (527, 38878), (1054, 19439), (2777, 7378), (3689, 5554)]