20137308891

素因数分解:

$3^1\times 7^1\times {\mathrm{64189}}^1\times {\mathrm{14939}}^1$

素因数の和:79138

約数の個数: 16

約数和(自身を含む): 30687955200

約数和(自身を除く): 10550646309

約数列:

[1, 3, 7, 21, 14939, 44817, 64189, 104573, 192567, 313719, 449323, 1347969, 958919471, 2876758413, 6712436297, 20137308891]

約数ペア:

[(1, 20137308891), (3, 6712436297), (7, 2876758413), (21, 958919471), (14939, 1347969), (44817, 449323), (64189, 313719), (104573, 192567)]