20890742402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1\times {\mathrm{282071}}^1$

素因数の和:284041

約数の個数: 16

約数和(自身を含む): 33002424000

約数和(自身を除く): 12111681598

約数列:

[1, 2, 19, 38, 1949, 3898, 37031, 74062, 282071, 564142, 5359349, 10718698, 549756379, 1099512758, 10445371201, 20890742402]

約数ペア:

[(1, 20890742402), (2, 10445371201), (19, 1099512758), (38, 549756379), (1949, 10718698), (3898, 5359349), (37031, 564142), (74062, 282071)]