20555810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186871}}^1$

素因数の和:186889

約数の個数: 16

約数和(自身を含む): 40364352

約数和(自身を除く): 19808542

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186871, 373742, 934355, 1868710, 2055581, 4111162, 10277905, 20555810]

約数ペア:

[(1, 20555810), (2, 10277905), (5, 4111162), (10, 2055581), (11, 1868710), (22, 934355), (55, 373742), (110, 186871)]