20764588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2027}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 39351312

約数和(自身を除く): 18586724

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2027, 2561, 4054, 5122, 8108, 10244, 26351, 52702, 105404, 399319, 798638, 1597276, 5191147, 10382294, 20764588]

約数ペア:

[(1, 20764588), (2, 10382294), (4, 5191147), (13, 1597276), (26, 798638), (52, 399319), (197, 105404), (394, 52702), (788, 26351), (2027, 10244), (2561, 8108), (4054, 5122)]