20990530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{190823}}^1$

素因数の和:190841

約数の個数: 16

約数和(自身を含む): 41217984

約数和(自身を除く): 20227454

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 190823, 381646, 954115, 1908230, 2099053, 4198106, 10495265, 20990530]

約数ペア:

[(1, 20990530), (2, 10495265), (5, 4198106), (10, 2099053), (11, 1908230), (22, 954115), (55, 381646), (110, 190823)]