20708028817

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{18374471}}^1$

素因数の和:18374508

約数の個数: 12

約数和(自身を含む): 25136277696

約数和(自身を除く): 4428248879

約数列:

[1, 7, 23, 49, 161, 1127, 18374471, 128621297, 422612833, 900349079, 2958289831, 20708028817]

約数ペア:

[(1, 20708028817), (7, 2958289831), (23, 900349079), (49, 422612833), (161, 128621297), (1127, 18374471)]