20320844

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137303}}^1$

素因数の和:137344

約数の個数: 12

約数和(自身を含む): 36522864

約数和(自身を除く): 16202020

約数列:

[1, 2, 4, 37, 74, 148, 137303, 274606, 549212, 5080211, 10160422, 20320844]

約数ペア:

[(1, 20320844), (2, 10160422), (4, 5080211), (37, 549212), (74, 274606), (148, 137303)]