20290277

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{673}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 23940480

約数和(自身を除く): 3650203

約数列:

[1, 7, 59, 73, 413, 511, 673, 4307, 4711, 30149, 39707, 49129, 277949, 343903, 2898611, 20290277]

約数ペア:

[(1, 20290277), (7, 2898611), (59, 343903), (73, 277949), (413, 49129), (511, 39707), (673, 30149), (4307, 4711)]