20501576

素因数分解:

$2^3\times {\mathrm{661}}^1\times {\mathrm{3877}}^1$

素因数の和:4544

約数の個数: 16

約数和(自身を含む): 38508540

約数和(自身を除く): 18006964

約数列:

[1, 2, 4, 8, 661, 1322, 2644, 3877, 5288, 7754, 15508, 31016, 2562697, 5125394, 10250788, 20501576]

約数ペア:

[(1, 20501576), (2, 10250788), (4, 5125394), (8, 2562697), (661, 31016), (1322, 15508), (2644, 7754), (3877, 5288)]