20104767

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5281}}^1$

素因数の和:5340

約数の個数: 20

約数和(自身を含む): 30677856

約数和(自身を除く): 10573089

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5281, 15843, 47529, 142587, 248207, 427761, 744621, 2233863, 6701589, 20104767]

約数ペア:

[(1, 20104767), (3, 6701589), (9, 2233863), (27, 744621), (47, 427761), (81, 248207), (141, 142587), (423, 47529), (1269, 15843), (3807, 5281)]