20995810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190871}}^1$

素因数の和:190889

約数の個数: 16

約数和(自身を含む): 41228352

約数和(自身を除く): 20232542

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190871, 381742, 954355, 1908710, 2099581, 4199162, 10497905, 20995810]

約数ペア:

[(1, 20995810), (2, 10497905), (5, 4199162), (10, 2099581), (11, 1908710), (22, 954355), (55, 381742), (110, 190871)]