20937279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11971}}^1$

素因数の和:12038

約数の個数: 16

約数和(自身を含む): 31031424

約数和(自身を除く): 10094145

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11971, 35913, 131681, 395043, 634463, 1903389, 6979093, 20937279]

約数ペア:

[(1, 20937279), (3, 6979093), (11, 1903389), (33, 634463), (53, 395043), (159, 131681), (583, 35913), (1749, 11971)]