20086468

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 36033984

約数和(自身を除く): 15947516

約数列:

[1, 2, 4, 71, 107, 142, 214, 284, 428, 661, 1322, 2644, 7597, 15194, 30388, 46931, 70727, 93862, 141454, 187724, 282908, 5021617, 10043234, 20086468]

約数ペア:

[(1, 20086468), (2, 10043234), (4, 5021617), (71, 282908), (107, 187724), (142, 141454), (214, 93862), (284, 70727), (428, 46931), (661, 30388), (1322, 15194), (2644, 7597)]