20180920337

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{393997}}^1$

素因数の和:394168

約数の個数: 16

約数和(自身を含む): 22467341952

約数和(自身を除く): 2286421615

約数列:

[1, 17, 23, 131, 391, 2227, 3013, 51221, 393997, 6697949, 9061931, 51613607, 154052827, 877431319, 1187112961, 20180920337]

約数ペア:

[(1, 20180920337), (17, 1187112961), (23, 877431319), (131, 154052827), (391, 51613607), (2227, 9061931), (3013, 6697949), (51221, 393997)]