20508717271

素因数分解:

$7^1\times {\mathrm{1061}}^1\times {\mathrm{1217}}^1\times {\mathrm{2269}}^1$

素因数の和:4554

約数の個数: 16

約数和(自身を含む): 23490250560

約数和(自身を除く): 2981533289

約数列:

[1, 7, 1061, 1217, 2269, 7427, 8519, 15883, 1291237, 2407409, 2761373, 9038659, 16851863, 19329611, 2929816753, 20508717271]

約数ペア:

[(1, 20508717271), (7, 2929816753), (1061, 19329611), (1217, 16851863), (2269, 9038659), (7427, 2761373), (8519, 2407409), (15883, 1291237)]