20406280329

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{292979}}^1$

素因数の和:293165

約数の個数: 24

約数和(自身を含む): 30165220800

約数和(自身を除く): 9758940471

約数列:

[1, 3, 9, 71, 109, 213, 327, 639, 981, 7739, 23217, 69651, 292979, 878937, 2636811, 20801509, 31934711, 62404527, 95804133, 187213581, 287412399, 2267364481, 6802093443, 20406280329]

約数ペア:

[(1, 20406280329), (3, 6802093443), (9, 2267364481), (71, 287412399), (109, 187213581), (213, 95804133), (327, 62404527), (639, 31934711), (981, 20801509), (7739, 2636811), (23217, 878937), (69651, 292979)]