20951035

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8431}}^1$

素因数の和:8514

約数の個数: 16

約数和(自身を含む): 29140992

約数和(自身を除く): 8189957

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 8431, 42155, 59017, 295085, 598601, 2993005, 4190207, 20951035]

約数ペア:

[(1, 20951035), (5, 4190207), (7, 2993005), (35, 598601), (71, 295085), (355, 59017), (497, 42155), (2485, 8431)]