20970068

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17417}}^1$

素因数の和:17471

約数の個数: 24

約数和(自身を含む): 42917952

約数和(自身を除く): 21947884

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17417, 34834, 69668, 121919, 243838, 487676, 748931, 1497862, 2995724, 5242517, 10485034, 20970068]

約数ペア:

[(1, 20970068), (2, 10485034), (4, 5242517), (7, 2995724), (14, 1497862), (28, 748931), (43, 487676), (86, 243838), (172, 121919), (301, 69668), (602, 34834), (1204, 17417)]