20890476

素因数分解:

$2^2\times 3^2\times {\mathrm{580291}}^1$

素因数の和:580301

約数の個数: 18

約数和(自身を含む): 52806572

約数和(自身を除く): 31916096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580291, 1160582, 1740873, 2321164, 3481746, 5222619, 6963492, 10445238, 20890476]

約数ペア:

[(1, 20890476), (2, 10445238), (3, 6963492), (4, 5222619), (6, 3481746), (9, 2321164), (12, 1740873), (18, 1160582), (36, 580291)]