20003804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{457}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 36317568

約数和(自身を除く): 16313764

約数列:

[1, 2, 4, 31, 62, 124, 353, 457, 706, 914, 1412, 1828, 10943, 14167, 21886, 28334, 43772, 56668, 161321, 322642, 645284, 5000951, 10001902, 20003804]

約数ペア:

[(1, 20003804), (2, 10001902), (4, 5000951), (31, 645284), (62, 322642), (124, 161321), (353, 56668), (457, 43772), (706, 28334), (914, 21886), (1412, 14167), (1828, 10943)]