20213090884

素因数分解:

$2^2\times 7^1\times {\mathrm{2861}}^1\times {\mathrm{252323}}^1$

素因数の和:255195

約数の個数: 24

約数和(自身を含む): 40440472128

約数和(自身を除く): 20227381244

約数列:

[1, 2, 4, 7, 14, 28, 2861, 5722, 11444, 20027, 40054, 80108, 252323, 504646, 1009292, 1766261, 3532522, 7065044, 721896103, 1443792206, 2887584412, 5053272721, 10106545442, 20213090884]

約数ペア:

[(1, 20213090884), (2, 10106545442), (4, 5053272721), (7, 2887584412), (14, 1443792206), (28, 721896103), (2861, 7065044), (5722, 3532522), (11444, 1766261), (20027, 1009292), (40054, 504646), (80108, 252323)]