20790324401

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{660157}}^1$

素因数の和:660584

約数の個数: 16

約数和(自身を含む): 25983818880

約数和(自身を除く): 5193494479

約数列:

[1, 7, 11, 77, 409, 2863, 4499, 31493, 660157, 4621099, 7261727, 50832089, 270004213, 1890029491, 2970046343, 20790324401]

約数ペア:

[(1, 20790324401), (7, 2970046343), (11, 1890029491), (77, 270004213), (409, 50832089), (2863, 7261727), (4499, 4621099), (31493, 660157)]