20728682

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7451}}^1$

素因数の和:7573

約数の個数: 16

約数和(自身を含む): 33802272

約数和(自身を除く): 13073590

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7451, 14902, 96863, 193726, 797257, 1594514, 10364341, 20728682]

約数ペア:

[(1, 20728682), (2, 10364341), (13, 1594514), (26, 797257), (107, 193726), (214, 96863), (1391, 14902), (2782, 7451)]