20971146

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{9421}}^1$

素因数の和:9486

約数の個数: 32

約数和(自身を含む): 48843648

約数和(自身を除く): 27872502

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 318, 371, 742, 1113, 2226, 9421, 18842, 28263, 56526, 65947, 131894, 197841, 395682, 499313, 998626, 1497939, 2995878, 3495191, 6990382, 10485573, 20971146]

約数ペア:

[(1, 20971146), (2, 10485573), (3, 6990382), (6, 3495191), (7, 2995878), (14, 1497939), (21, 998626), (42, 499313), (53, 395682), (106, 197841), (159, 131894), (318, 65947), (371, 56526), (742, 28263), (1113, 18842), (2226, 9421)]