20197786239

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{1493}}^1\times {\mathrm{26371}}^1$

素因数の和:27892

約数の個数: 32

約数和(自身を含む): 31519814400

約数和(自身を除く): 11322028161

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 1493, 4479, 13437, 26371, 28367, 40311, 79113, 85101, 237339, 255303, 501049, 712017, 765909, 1503147, 4509441, 13528323, 39371903, 118115709, 354347127, 748066157, 1063041381, 2244198471, 6732595413, 20197786239]

約数ペア:

[(1, 20197786239), (3, 6732595413), (9, 2244198471), (19, 1063041381), (27, 748066157), (57, 354347127), (171, 118115709), (513, 39371903), (1493, 13528323), (4479, 4509441), (13437, 1503147), (26371, 765909), (28367, 712017), (40311, 501049), (79113, 255303), (85101, 237339)]