20550580

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3347}}^1$

素因数の和:3663

約数の個数: 24

約数和(自身を含む): 43309728

約数和(自身を除く): 22759148

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 3347, 6140, 6694, 13388, 16735, 33470, 66940, 1027529, 2055058, 4110116, 5137645, 10275290, 20550580]

約数ペア:

[(1, 20550580), (2, 10275290), (4, 5137645), (5, 4110116), (10, 2055058), (20, 1027529), (307, 66940), (614, 33470), (1228, 16735), (1535, 13388), (3070, 6694), (3347, 6140)]