20261668

素因数分解:

$2^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{2557}}^1$

素因数の和:2851

約数の個数: 24

約数和(自身を含む): 40682432

約数和(自身を除く): 20420764

約数列:

[1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981, 2557, 3962, 5114, 7924, 10228, 17899, 35798, 71596, 723631, 1447262, 2894524, 5065417, 10130834, 20261668]

約数ペア:

[(1, 20261668), (2, 10130834), (4, 5065417), (7, 2894524), (14, 1447262), (28, 723631), (283, 71596), (566, 35798), (1132, 17899), (1981, 10228), (2557, 7924), (3962, 5114)]