20321796788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1009}}^1\times {\mathrm{265007}}^1$

素因数の和:266039

約数の個数: 24

約数和(自身を含む): 37472131200

約数和(自身を除く): 17150334412

約数列:

[1, 2, 4, 19, 38, 76, 1009, 2018, 4036, 19171, 38342, 76684, 265007, 530014, 1060028, 5035133, 10070266, 20140532, 267392063, 534784126, 1069568252, 5080449197, 10160898394, 20321796788]

約数ペア:

[(1, 20321796788), (2, 10160898394), (4, 5080449197), (19, 1069568252), (38, 534784126), (76, 267392063), (1009, 20140532), (2018, 10070266), (4036, 5035133), (19171, 1060028), (38342, 530014), (76684, 265007)]