20890234

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5443}}^1$

素因数の和:5565

約数の個数: 16

約数和(自身を含む): 33317280

約数和(自身を除く): 12427046

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 5443, 10886, 103417, 206834, 549743, 1099486, 10445117, 20890234]

約数ペア:

[(1, 20890234), (2, 10445117), (19, 1099486), (38, 549743), (101, 206834), (202, 103417), (1919, 10886), (3838, 5443)]