20160920199

素因数分解:

$3^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{2089}}^1$

素因数の和:2309

約数の個数: 64

約数和(自身を含む): 32022144000

約数和(自身を除く): 11861223801

約数列:

[1, 3, 7, 21, 49, 83, 113, 147, 249, 339, 343, 581, 791, 1029, 1743, 2089, 2373, 4067, 5537, 6267, 9379, 12201, 14623, 16611, 28137, 28469, 38759, 43869, 65653, 85407, 102361, 116277, 173387, 196959, 236057, 307083, 459571, 520161, 708171, 716527, 1213709, 1378713, 1652399, 2149581, 3216997, 3641127, 4957197, 8495963, 9650991, 11566793, 19592731, 25487889, 34700379, 58778193, 59471741, 80967551, 137149117, 178415223, 242902653, 411447351, 960043819, 2880131457, 6720306733, 20160920199]

約数ペア:

[(1, 20160920199), (3, 6720306733), (7, 2880131457), (21, 960043819), (49, 411447351), (83, 242902653), (113, 178415223), (147, 137149117), (249, 80967551), (339, 59471741), (343, 58778193), (581, 34700379), (791, 25487889), (1029, 19592731), (1743, 11566793), (2089, 9650991), (2373, 8495963), (4067, 4957197), (5537, 3641127), (6267, 3216997), (9379, 2149581), (12201, 1652399), (14623, 1378713), (16611, 1213709), (28137, 716527), (28469, 708171), (38759, 520161), (43869, 459571), (65653, 307083), (85407, 236057), (102361, 196959), (116277, 173387)]