20123609330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{21191}}^1$

素因数の和:21395

約数の個数: 64

約数和(自身を含む): 40373303040

約数和(自身を除く): 20249693710

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 97, 110, 178, 194, 445, 485, 890, 970, 979, 1067, 1958, 2134, 4895, 5335, 8633, 9790, 10670, 17266, 21191, 42382, 43165, 86330, 94963, 105955, 189926, 211910, 233101, 466202, 474815, 949630, 1165505, 1885999, 2055527, 2331010, 3771998, 4111054, 9429995, 10277635, 18859990, 20555270, 20745989, 22610797, 41491978, 45221594, 103729945, 113053985, 182941903, 207459890, 226107970, 365883806, 914709515, 1829419030, 2012360933, 4024721866, 10061804665, 20123609330]

約数ペア:

[(1, 20123609330), (2, 10061804665), (5, 4024721866), (10, 2012360933), (11, 1829419030), (22, 914709515), (55, 365883806), (89, 226107970), (97, 207459890), (110, 182941903), (178, 113053985), (194, 103729945), (445, 45221594), (485, 41491978), (890, 22610797), (970, 20745989), (979, 20555270), (1067, 18859990), (1958, 10277635), (2134, 9429995), (4895, 4111054), (5335, 3771998), (8633, 2331010), (9790, 2055527), (10670, 1885999), (17266, 1165505), (21191, 949630), (42382, 474815), (43165, 466202), (86330, 233101), (94963, 211910), (105955, 189926)]