20569180

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7507}}^1$

素因数の和:7653

約数の個数: 24

約数和(自身を含む): 43516368

約数和(自身を除く): 22947188

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7507, 15014, 30028, 37535, 75070, 150140, 1028459, 2056918, 4113836, 5142295, 10284590, 20569180]

約数ペア:

[(1, 20569180), (2, 10284590), (4, 5142295), (5, 4113836), (10, 2056918), (20, 1028459), (137, 150140), (274, 75070), (548, 37535), (685, 30028), (1370, 15014), (2740, 7507)]