20316231

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57881}}^1$

素因数の和:57903

約数の個数: 16

約数和(自身を含む): 32413920

約数和(自身を除く): 12097689

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57881, 173643, 520929, 752453, 1562787, 2257359, 6772077, 20316231]

約数ペア:

[(1, 20316231), (3, 6772077), (9, 2257359), (13, 1562787), (27, 752453), (39, 520929), (117, 173643), (351, 57881)]