20724956

素因数分解:

$2^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2411}}^1$

素因数の和:2729

約数の個数: 24

約数和(自身を含む): 41602176

約数和(自身を除く): 20877220

約数列:

[1, 2, 4, 7, 14, 28, 307, 614, 1228, 2149, 2411, 4298, 4822, 8596, 9644, 16877, 33754, 67508, 740177, 1480354, 2960708, 5181239, 10362478, 20724956]

約数ペア:

[(1, 20724956), (2, 10362478), (4, 5181239), (7, 2960708), (14, 1480354), (28, 740177), (307, 67508), (614, 33754), (1228, 16877), (2149, 9644), (2411, 8596), (4298, 4822)]