20476911

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{701}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13488657

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 701, 749, 1391, 2103, 2247, 4173, 4907, 9113, 9737, 14721, 27339, 29211, 63791, 75007, 191373, 225021, 525049, 975091, 1575147, 2925273, 6825637, 20476911]

約数ペア:

[(1, 20476911), (3, 6825637), (7, 2925273), (13, 1575147), (21, 975091), (39, 525049), (91, 225021), (107, 191373), (273, 75007), (321, 63791), (701, 29211), (749, 27339), (1391, 14721), (2103, 9737), (2247, 9113), (4173, 4907)]