20446478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 35308224

約数和(自身を除く): 14861746

約数列:

[1, 2, 13, 17, 26, 34, 167, 221, 277, 334, 442, 554, 2171, 2839, 3601, 4342, 4709, 5678, 7202, 9418, 36907, 46259, 61217, 73814, 92518, 122434, 601367, 786403, 1202734, 1572806, 10223239, 20446478]

約数ペア:

[(1, 20446478), (2, 10223239), (13, 1572806), (17, 1202734), (26, 786403), (34, 601367), (167, 122434), (221, 92518), (277, 73814), (334, 61217), (442, 46259), (554, 36907), (2171, 9418), (2839, 7202), (3601, 5678), (4342, 4709)]