20214404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37997}}^1$

素因数の和:38027

約数の個数: 24

約数和(自身を含む): 42557760

約数和(自身を除く): 22343356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 37997, 75994, 151988, 265979, 531958, 721943, 1063916, 1443886, 2887772, 5053601, 10107202, 20214404]

約数ペア:

[(1, 20214404), (2, 10107202), (4, 5053601), (7, 2887772), (14, 1443886), (19, 1063916), (28, 721943), (38, 531958), (76, 265979), (133, 151988), (266, 75994), (532, 37997)]