20807666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10627}}^1$

素因数の和:10729

約数の個数: 16

約数和(自身を含む): 34434720

約数和(自身を除く): 13627054

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 10627, 21254, 116897, 233794, 945803, 1891606, 10403833, 20807666]

約数ペア:

[(1, 20807666), (2, 10403833), (11, 1891606), (22, 945803), (89, 233794), (178, 116897), (979, 21254), (1958, 10627)]