20155951881

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4006351}}^1$

素因数の和:4006413

約数の個数: 24

約数和(自身を含む): 32082866816

約数和(自身を除く): 11926914935

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 4006351, 12019053, 36057159, 52082563, 156247689, 172273093, 468743067, 516819279, 1550457837, 2239550209, 6718650627, 20155951881]

約数ペア:

[(1, 20155951881), (3, 6718650627), (9, 2239550209), (13, 1550457837), (39, 516819279), (43, 468743067), (117, 172273093), (129, 156247689), (387, 52082563), (559, 36057159), (1677, 12019053), (5031, 4006351)]