20530042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21341}}^1$

素因数の和:21393

約数の個数: 16

約数和(自身を含む): 34061832

約数和(自身を除く): 13531790

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 21341, 42682, 277433, 554866, 789617, 1579234, 10265021, 20530042]

約数ペア:

[(1, 20530042), (2, 10265021), (13, 1579234), (26, 789617), (37, 554866), (74, 277433), (481, 42682), (962, 21341)]