20822890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17209}}^1$

素因数の和:17238

約数の個数: 24

約数和(自身を含む): 41200740

約数和(自身を除く): 20377850

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17209, 34418, 86045, 172090, 189299, 378598, 946495, 1892990, 2082289, 4164578, 10411445, 20822890]

約数ペア:

[(1, 20822890), (2, 10411445), (5, 4164578), (10, 2082289), (11, 1892990), (22, 946495), (55, 378598), (110, 189299), (121, 172090), (242, 86045), (605, 34418), (1210, 17209)]