20923796

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{3821}}^1$

素因数の和:3899

約数の個数: 18

約数和(自身を含む): 37642878

約数和(自身を除く): 16719082

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 3821, 5476, 7642, 15284, 141377, 282754, 565508, 5230949, 10461898, 20923796]

約数ペア:

[(1, 20923796), (2, 10461898), (4, 5230949), (37, 565508), (74, 282754), (148, 141377), (1369, 15284), (2738, 7642), (3821, 5476)]