20512188

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4159}}^1$

素因数の和:4306

約数の個数: 36

約数和(自身を含む): 52241280

約数和(自身を除く): 31729092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4159, 4932, 8318, 12477, 16636, 24954, 37431, 49908, 74862, 149724, 569783, 1139566, 1709349, 2279132, 3418698, 5128047, 6837396, 10256094, 20512188]

約数ペア:

[(1, 20512188), (2, 10256094), (3, 6837396), (4, 5128047), (6, 3418698), (9, 2279132), (12, 1709349), (18, 1139566), (36, 569783), (137, 149724), (274, 74862), (411, 49908), (548, 37431), (822, 24954), (1233, 16636), (1644, 12477), (2466, 8318), (4159, 4932)]