20184844995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{467729}}^1$

素因数の和:467884

約数の個数: 48

約数和(自身を含む): 40277165760

約数和(自身を除く): 20092320765

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 137, 315, 411, 685, 959, 1233, 2055, 2877, 4795, 6165, 8631, 14385, 43155, 467729, 1403187, 2338645, 3274103, 4209561, 7015935, 9822309, 16370515, 21047805, 29466927, 49111545, 64078873, 147334635, 192236619, 320394365, 448552111, 576709857, 961183095, 1345656333, 2242760555, 2883549285, 4036968999, 6728281665, 20184844995]

約数ペア:

[(1, 20184844995), (3, 6728281665), (5, 4036968999), (7, 2883549285), (9, 2242760555), (15, 1345656333), (21, 961183095), (35, 576709857), (45, 448552111), (63, 320394365), (105, 192236619), (137, 147334635), (315, 64078873), (411, 49111545), (685, 29466927), (959, 21047805), (1233, 16370515), (2055, 9822309), (2877, 7015935), (4795, 4209561), (6165, 3274103), (8631, 2338645), (14385, 1403187), (43155, 467729)]