20799922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72727}}^1$

素因数の和:72753

約数の個数: 16

約数和(自身を含む): 36654912

約数和(自身を除く): 15854990

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72727, 145454, 799997, 945451, 1599994, 1890902, 10399961, 20799922]

約数ペア:

[(1, 20799922), (2, 10399961), (11, 1890902), (13, 1599994), (22, 945451), (26, 799997), (143, 145454), (286, 72727)]