20198674938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1\times {\mathrm{155717}}^1$

素因数の和:157398

約数の個数: 32

約数和(自身を含む): 43531278336

約数和(自身を除く): 23332603398

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1663, 3326, 4989, 9978, 21619, 43238, 64857, 129714, 155717, 311434, 467151, 934302, 2024321, 4048642, 6072963, 12145926, 258957371, 517914742, 776872113, 1553744226, 3366445823, 6732891646, 10099337469, 20198674938]

約数ペア:

[(1, 20198674938), (2, 10099337469), (3, 6732891646), (6, 3366445823), (13, 1553744226), (26, 776872113), (39, 517914742), (78, 258957371), (1663, 12145926), (3326, 6072963), (4989, 4048642), (9978, 2024321), (21619, 934302), (43238, 467151), (64857, 311434), (129714, 155717)]