20162156

素因数分解:

$2^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1279}}^1$

素因数の和:1853

約数の個数: 24

約数和(自身を含む): 40427520

約数和(自身を除く): 20265364

約数列:

[1, 2, 4, 7, 14, 28, 563, 1126, 1279, 2252, 2558, 3941, 5116, 7882, 8953, 15764, 17906, 35812, 720077, 1440154, 2880308, 5040539, 10081078, 20162156]

約数ペア:

[(1, 20162156), (2, 10081078), (4, 5040539), (7, 2880308), (14, 1440154), (28, 720077), (563, 35812), (1126, 17906), (1279, 15764), (2252, 8953), (2558, 7882), (3941, 5116)]