20806994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17027}}^1$

素因数の和:17089

約数の個数: 16

約数和(自身を含む): 34328448

約数和(自身を除く): 13521454

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17027, 34054, 221351, 442702, 800269, 1600538, 10403497, 20806994]

約数ペア:

[(1, 20806994), (2, 10403497), (13, 1600538), (26, 800269), (47, 442702), (94, 221351), (611, 34054), (1222, 17027)]