20818424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236573}}^1$

素因数の和:236590

約数の個数: 16

約数和(自身を含む): 42583320

約数和(自身を除く): 21764896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236573, 473146, 946292, 1892584, 2602303, 5204606, 10409212, 20818424]

約数ペア:

[(1, 20818424), (2, 10409212), (4, 5204606), (8, 2602303), (11, 1892584), (22, 946292), (44, 473146), (88, 236573)]