20137536340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1\times {\mathrm{28151}}^1$

素因数の和:28968

約数の個数: 48

約数和(自身を含む): 43246877184

約数和(自身を除く): 23109340844

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 761, 940, 1522, 3044, 3805, 7610, 15220, 28151, 35767, 56302, 71534, 112604, 140755, 143068, 178835, 281510, 357670, 563020, 715340, 1323097, 2646194, 5292388, 6615485, 13230970, 21422911, 26461940, 42845822, 85691644, 107114555, 214229110, 428458220, 1006876817, 2013753634, 4027507268, 5034384085, 10068768170, 20137536340]

約数ペア:

[(1, 20137536340), (2, 10068768170), (4, 5034384085), (5, 4027507268), (10, 2013753634), (20, 1006876817), (47, 428458220), (94, 214229110), (188, 107114555), (235, 85691644), (470, 42845822), (761, 26461940), (940, 21422911), (1522, 13230970), (3044, 6615485), (3805, 5292388), (7610, 2646194), (15220, 1323097), (28151, 715340), (35767, 563020), (56302, 357670), (71534, 281510), (112604, 178835), (140755, 143068)]