20512323050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{198091}}^1$

素因数の和:198231

約数の個数: 48

約数和(自身を含む): 40529623200

約数和(自身を除く): 20017300150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 475, 545, 950, 1090, 2071, 2725, 4142, 5450, 10355, 20710, 51775, 103550, 198091, 396182, 990455, 1980910, 3763729, 4952275, 7527458, 9904550, 18818645, 21591919, 37637290, 43183838, 94093225, 107959595, 188186450, 215919190, 410246461, 539797975, 820492922, 1079595950, 2051232305, 4102464610, 10256161525, 20512323050]

約数ペア:

[(1, 20512323050), (2, 10256161525), (5, 4102464610), (10, 2051232305), (19, 1079595950), (25, 820492922), (38, 539797975), (50, 410246461), (95, 215919190), (109, 188186450), (190, 107959595), (218, 94093225), (475, 43183838), (545, 37637290), (950, 21591919), (1090, 18818645), (2071, 9904550), (2725, 7527458), (4142, 4952275), (5450, 3763729), (10355, 1980910), (20710, 990455), (51775, 396182), (103550, 198091)]