20149086717

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{827}}^1\times {\mathrm{4931}}^1$

素因数の和:5831

約数の個数: 40

約数和(自身を含む): 30635887392

約数和(自身を除く): 10486800675

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 827, 1647, 2481, 4931, 4941, 7443, 14793, 22329, 44379, 50447, 66987, 133137, 151341, 300791, 399411, 454023, 902373, 1362069, 2707119, 4077937, 4086207, 8121357, 12233811, 24364071, 36701433, 110104299, 248754157, 330312897, 746262471, 2238787413, 6716362239, 20149086717]

約数ペア:

[(1, 20149086717), (3, 6716362239), (9, 2238787413), (27, 746262471), (61, 330312897), (81, 248754157), (183, 110104299), (549, 36701433), (827, 24364071), (1647, 12233811), (2481, 8121357), (4931, 4086207), (4941, 4077937), (7443, 2707119), (14793, 1362069), (22329, 902373), (44379, 454023), (50447, 399411), (66987, 300791), (133137, 151341)]