20796870479

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{408607}}^1$

素因数の和:409286

約数の個数: 16

約数和(自身を含む): 25967855616

約数和(自身を除く): 5170985137

約数列:

[1, 7, 11, 77, 661, 4627, 7271, 50897, 408607, 2860249, 4494677, 31462739, 270089227, 1890624589, 2970981497, 20796870479]

約数ペア:

[(1, 20796870479), (7, 2970981497), (11, 1890624589), (77, 270089227), (661, 31462739), (4627, 4494677), (7271, 2860249), (50897, 408607)]