20564414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2347}}^1$

素因数の和:2699

約数の個数: 16

約数和(自身を含む): 33332208

約数和(自身を除く): 12767794

約数列:

[1, 2, 13, 26, 337, 674, 2347, 4381, 4694, 8762, 30511, 61022, 790939, 1581878, 10282207, 20564414]

約数ペア:

[(1, 20564414), (2, 10282207), (13, 1581878), (26, 790939), (337, 61022), (674, 30511), (2347, 8762), (4381, 4694)]