20873603009

素因数分解:

$7^1\times {\mathrm{1097}}^1\times {\mathrm{1439}}^1\times {\mathrm{1889}}^1$

素因数の和:4432

約数の個数: 16

約数和(自身を含む): 23906534400

約数和(自身を除く): 3032931391

約数列:

[1, 7, 1097, 1439, 1889, 7679, 10073, 13223, 1578583, 2072233, 2718271, 11050081, 14505631, 19027897, 2981943287, 20873603009]

約数ペア:

[(1, 20873603009), (7, 2981943287), (1097, 19027897), (1439, 14505631), (1889, 11050081), (7679, 2718271), (10073, 2072233), (13223, 1578583)]