20610280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3761}}^1$

素因数の和:3909

約数の個数: 32

約数和(自身を含む): 46724040

約数和(自身を除く): 26113760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3761, 5480, 7522, 15044, 18805, 30088, 37610, 75220, 150440, 515257, 1030514, 2061028, 2576285, 4122056, 5152570, 10305140, 20610280]

約数ペア:

[(1, 20610280), (2, 10305140), (4, 5152570), (5, 4122056), (8, 2576285), (10, 2061028), (20, 1030514), (40, 515257), (137, 150440), (274, 75220), (548, 37610), (685, 30088), (1096, 18805), (1370, 15044), (2740, 7522), (3761, 5480)]