20579080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4051}}^1$

素因数の和:4189

約数の個数: 32

約数和(自身を含む): 46679040

約数和(自身を除く): 26099960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 4051, 5080, 8102, 16204, 20255, 32408, 40510, 81020, 162040, 514477, 1028954, 2057908, 2572385, 4115816, 5144770, 10289540, 20579080]

約数ペア:

[(1, 20579080), (2, 10289540), (4, 5144770), (5, 4115816), (8, 2572385), (10, 2057908), (20, 1028954), (40, 514477), (127, 162040), (254, 81020), (508, 40510), (635, 32408), (1016, 20255), (1270, 16204), (2540, 8102), (4051, 5080)]