20153804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4447}}^1$

素因数の和:4565

約数の個数: 24

約数和(自身を含む): 38857728

約数和(自身を除く): 18703924

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4447, 4532, 8894, 17788, 48917, 97834, 195668, 458041, 916082, 1832164, 5038451, 10076902, 20153804]

約数ペア:

[(1, 20153804), (2, 10076902), (4, 5038451), (11, 1832164), (22, 916082), (44, 458041), (103, 195668), (206, 97834), (412, 48917), (1133, 17788), (2266, 8894), (4447, 4532)]