20199132009

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1\times {\mathrm{15299}}^1$

素因数の和:16434

約数の個数: 48

約数和(自身を含む): 35133696000

約数和(自身を除く): 14934563991

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1103, 1197, 3309, 7721, 9927, 15299, 20957, 23163, 45897, 62871, 69489, 107093, 137691, 146699, 188613, 290681, 321279, 440097, 872043, 963837, 1320291, 2034767, 2616129, 6104301, 16874797, 18312903, 50624391, 118123579, 151873173, 320621143, 354370737, 961863429, 1063112211, 2244348001, 2885590287, 6733044003, 20199132009]

約数ペア:

[(1, 20199132009), (3, 6733044003), (7, 2885590287), (9, 2244348001), (19, 1063112211), (21, 961863429), (57, 354370737), (63, 320621143), (133, 151873173), (171, 118123579), (399, 50624391), (1103, 18312903), (1197, 16874797), (3309, 6104301), (7721, 2616129), (9927, 2034767), (15299, 1320291), (20957, 963837), (23163, 872043), (45897, 440097), (62871, 321279), (69489, 290681), (107093, 188613), (137691, 146699)]