20801308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{2029}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 39901680

約数和(自身を除く): 19100372

約数列:

[1, 2, 4, 11, 22, 44, 233, 466, 932, 2029, 2563, 4058, 5126, 8116, 10252, 22319, 44638, 89276, 472757, 945514, 1891028, 5200327, 10400654, 20801308]

約数ペア:

[(1, 20801308), (2, 10400654), (4, 5200327), (11, 1891028), (22, 945514), (44, 472757), (233, 89276), (466, 44638), (932, 22319), (2029, 10252), (2563, 8116), (4058, 5126)]