20575481517

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{5046721}}^1$

素因数の和:5046881

約数の個数: 16

約数和(自身を含む): 30684069760

約数和(自身を除く): 10108588243

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 5046721, 15140163, 45420489, 136261467, 762054871, 2286164613, 6858493839, 20575481517]

約数ペア:

[(1, 20575481517), (3, 6858493839), (9, 2286164613), (27, 762054871), (151, 136261467), (453, 45420489), (1359, 15140163), (4077, 5046721)]