20128148

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 36376032

約数和(自身を除く): 16247884

約数列:

[1, 2, 4, 37, 74, 148, 307, 443, 614, 886, 1228, 1772, 11359, 16391, 22718, 32782, 45436, 65564, 136001, 272002, 544004, 5032037, 10064074, 20128148]

約数ペア:

[(1, 20128148), (2, 10064074), (4, 5032037), (37, 544004), (74, 272002), (148, 136001), (307, 65564), (443, 45436), (614, 32782), (886, 22718), (1228, 16391), (1772, 11359)]