20893863

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{9907}}^1$

素因数の和:9966

約数の個数: 16

約数和(自身を含む): 30120320

約数和(自身を除く): 9226457

約数列:

[1, 3, 19, 37, 57, 111, 703, 2109, 9907, 29721, 188233, 366559, 564699, 1099677, 6964621, 20893863]

約数ペア:

[(1, 20893863), (3, 6964621), (19, 1099677), (37, 564699), (57, 366559), (111, 188233), (703, 29721), (2109, 9907)]