20895016

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36787}}^1$

素因数の和:36864

約数の個数: 16

約数和(自身を含む): 39731040

約数和(自身を除く): 18836024

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36787, 73574, 147148, 294296, 2611877, 5223754, 10447508, 20895016]

約数ペア:

[(1, 20895016), (2, 10447508), (4, 5223754), (8, 2611877), (71, 294296), (142, 147148), (284, 73574), (568, 36787)]