20427109

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 22528000

約数和(自身を除く): 2100891

約数列:

[1, 19, 31, 79, 439, 589, 1501, 2449, 8341, 13609, 34681, 46531, 258571, 658939, 1075111, 20427109]

約数ペア:

[(1, 20427109), (19, 1075111), (31, 658939), (79, 258571), (439, 46531), (589, 34681), (1501, 13609), (2449, 8341)]