20859745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2281}}^1$

素因数の和:2376

約数の個数: 16

約数和(自身を含む): 26288640

約数和(自身を除く): 5428895

約数列:

[1, 5, 31, 59, 155, 295, 1829, 2281, 9145, 11405, 70711, 134579, 353555, 672895, 4171949, 20859745]

約数ペア:

[(1, 20859745), (5, 4171949), (31, 672895), (59, 353555), (155, 134579), (295, 70711), (1829, 11405), (2281, 9145)]