20662148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{2017}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 39157272

約数和(自身を除く): 18495124

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2017, 2561, 4034, 5122, 8068, 10244, 26221, 52442, 104884, 397349, 794698, 1589396, 5165537, 10331074, 20662148]

約数ペア:

[(1, 20662148), (2, 10331074), (4, 5165537), (13, 1589396), (26, 794698), (52, 397349), (197, 104884), (394, 52442), (788, 26221), (2017, 10244), (2561, 8068), (4034, 5122)]