20218990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{183809}}^1$

素因数の和:183827

約数の個数: 16

約数和(自身を含む): 39702960

約数和(自身を除く): 19483970

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 183809, 367618, 919045, 1838090, 2021899, 4043798, 10109495, 20218990]

約数ペア:

[(1, 20218990), (2, 10109495), (5, 4043798), (10, 2021899), (11, 1838090), (22, 919045), (55, 367618), (110, 183809)]