20155406084

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41643401}}^1$

素因数の和:41643427

約数の個数: 18

約数和(自身を含む): 38770007262

約数和(自身を除く): 18614601178

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41643401, 83286802, 166573604, 458077411, 916154822, 1832309644, 5038851521, 10077703042, 20155406084]

約数ペア:

[(1, 20155406084), (2, 10077703042), (4, 5038851521), (11, 1832309644), (22, 916154822), (44, 458077411), (121, 166573604), (242, 83286802), (484, 41643401)]