20877670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189797}}^1$

素因数の和:189815

約数の個数: 16

約数和(自身を含む): 40996368

約数和(自身を除く): 20118698

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189797, 379594, 948985, 1897970, 2087767, 4175534, 10438835, 20877670]

約数ペア:

[(1, 20877670), (2, 10438835), (5, 4175534), (10, 2087767), (11, 1897970), (22, 948985), (55, 379594), (110, 189797)]