20821650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1235

約数の個数: 48

約数和(自身を含む): 52091904

約数和(自身を除く): 31270254

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 127, 150, 254, 381, 635, 762, 1093, 1270, 1905, 2186, 3175, 3279, 3810, 5465, 6350, 6558, 9525, 10930, 16395, 19050, 27325, 32790, 54650, 81975, 138811, 163950, 277622, 416433, 694055, 832866, 1388110, 2082165, 3470275, 4164330, 6940550, 10410825, 20821650]

約数ペア:

[(1, 20821650), (2, 10410825), (3, 6940550), (5, 4164330), (6, 3470275), (10, 2082165), (15, 1388110), (25, 832866), (30, 694055), (50, 416433), (75, 277622), (127, 163950), (150, 138811), (254, 81975), (381, 54650), (635, 32790), (762, 27325), (1093, 19050), (1270, 16395), (1905, 10930), (2186, 9525), (3175, 6558), (3279, 6350), (3810, 5465)]