20890265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5669}}^1$

素因数の和:5752

約数の個数: 16

約数和(自身を含む): 27760320

約数和(自身を除く): 6870055

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5669, 28345, 62359, 311795, 379823, 1899115, 4178053, 20890265]

約数ペア:

[(1, 20890265), (5, 4178053), (11, 1899115), (55, 379823), (67, 311795), (335, 62359), (737, 28345), (3685, 5669)]