20214868

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 36251712

約数和(自身を除く): 16036844

約数列:

[1, 2, 4, 73, 107, 146, 214, 292, 428, 647, 1294, 2588, 7811, 15622, 31244, 47231, 69229, 94462, 138458, 188924, 276916, 5053717, 10107434, 20214868]

約数ペア:

[(1, 20214868), (2, 10107434), (4, 5053717), (73, 276916), (107, 188924), (146, 138458), (214, 94462), (292, 69229), (428, 47231), (647, 31244), (1294, 15622), (2588, 7811)]