20129974521

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1\times {\mathrm{1471}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 27471052800

約数和(自身を除く): 7341078279

約数列:

[1, 3, 89, 107, 267, 321, 479, 1437, 1471, 4413, 9523, 28569, 42631, 51253, 127893, 130919, 153759, 157397, 392757, 472191, 704609, 2113827, 4561517, 13684551, 14008333, 42024999, 62710201, 75393163, 188130603, 226179489, 6709991507, 20129974521]

約数ペア:

[(1, 20129974521), (3, 6709991507), (89, 226179489), (107, 188130603), (267, 75393163), (321, 62710201), (479, 42024999), (1437, 14008333), (1471, 13684551), (4413, 4561517), (9523, 2113827), (28569, 704609), (42631, 472191), (51253, 392757), (127893, 157397), (130919, 153759)]