20121129580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{10529}}^1$

素因数の和:10711

約数の個数: 96

約数和(自身を含む): 45853516800

約数和(自身を除く): 25732387220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 107, 188, 190, 214, 235, 380, 428, 470, 535, 893, 940, 1070, 1786, 2033, 2140, 3572, 4066, 4465, 5029, 8132, 8930, 10058, 10165, 10529, 17860, 20116, 20330, 21058, 25145, 40660, 42116, 50290, 52645, 95551, 100580, 105290, 191102, 200051, 210580, 382204, 400102, 477755, 494863, 800204, 955510, 989726, 1000255, 1126603, 1911020, 1979452, 2000510, 2253206, 2474315, 4001020, 4506412, 4948630, 5633015, 9402397, 9897260, 11266030, 18804794, 21405457, 22532060, 37609588, 42810914, 47011985, 52950341, 85621828, 94023970, 105900682, 107027285, 188047940, 211801364, 214054570, 264751705, 428109140, 529503410, 1006056479, 1059006820, 2012112958, 4024225916, 5030282395, 10060564790, 20121129580]

約数ペア:

[(1, 20121129580), (2, 10060564790), (4, 5030282395), (5, 4024225916), (10, 2012112958), (19, 1059006820), (20, 1006056479), (38, 529503410), (47, 428109140), (76, 264751705), (94, 214054570), (95, 211801364), (107, 188047940), (188, 107027285), (190, 105900682), (214, 94023970), (235, 85621828), (380, 52950341), (428, 47011985), (470, 42810914), (535, 37609588), (893, 22532060), (940, 21405457), (1070, 18804794), (1786, 11266030), (2033, 9897260), (2140, 9402397), (3572, 5633015), (4066, 4948630), (4465, 4506412), (5029, 4001020), (8132, 2474315), (8930, 2253206), (10058, 2000510), (10165, 1979452), (10529, 1911020), (17860, 1126603), (20116, 1000255), (20330, 989726), (21058, 955510), (25145, 800204), (40660, 494863), (42116, 477755), (50290, 400102), (52645, 382204), (95551, 210580), (100580, 200051), (105290, 191102)]