20201232880

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{593}}^1\times {\mathrm{1583}}^1$

素因数の和:2458

約数の個数: 80

約数和(自身を含む): 47251797120

約数和(自身を除く): 27050564240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 593, 1076, 1186, 1345, 1583, 2152, 2372, 2690, 2965, 3166, 4304, 4744, 5380, 5930, 6332, 7915, 9488, 10760, 11860, 12664, 15830, 21520, 23720, 25328, 31660, 47440, 63320, 126640, 159517, 319034, 425827, 638068, 797585, 851654, 938719, 1276136, 1595170, 1703308, 1877438, 2129135, 2552272, 3190340, 3406616, 3754876, 4258270, 4693595, 6380680, 6813232, 7509752, 8516540, 9387190, 12761360, 15019504, 17033080, 18774380, 34066160, 37548760, 75097520, 252515411, 505030822, 1010061644, 1262577055, 2020123288, 2525154110, 4040246576, 5050308220, 10100616440, 20201232880]

約数ペア:

[(1, 20201232880), (2, 10100616440), (4, 5050308220), (5, 4040246576), (8, 2525154110), (10, 2020123288), (16, 1262577055), (20, 1010061644), (40, 505030822), (80, 252515411), (269, 75097520), (538, 37548760), (593, 34066160), (1076, 18774380), (1186, 17033080), (1345, 15019504), (1583, 12761360), (2152, 9387190), (2372, 8516540), (2690, 7509752), (2965, 6813232), (3166, 6380680), (4304, 4693595), (4744, 4258270), (5380, 3754876), (5930, 3406616), (6332, 3190340), (7915, 2552272), (9488, 2129135), (10760, 1877438), (11860, 1703308), (12664, 1595170), (15830, 1276136), (21520, 938719), (23720, 851654), (25328, 797585), (31660, 638068), (47440, 425827), (63320, 319034), (126640, 159517)]