20521732

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66629}}^1$

素因数の和:66651

約数の個数: 24

約数和(自身を含む): 44775360

約数和(自身を除く): 24253628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66629, 133258, 266516, 466403, 732919, 932806, 1465838, 1865612, 2931676, 5130433, 10260866, 20521732]

約数ペア:

[(1, 20521732), (2, 10260866), (4, 5130433), (7, 2931676), (11, 1865612), (14, 1465838), (22, 932806), (28, 732919), (44, 466403), (77, 266516), (154, 133258), (308, 66629)]