20568368876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{727003}}^1$

素因数の和:727661

約数の個数: 24

約数和(自身を含む): 39328008384

約数和(自身を除く): 18759639508

約数列:

[1, 2, 4, 11, 22, 44, 643, 1286, 2572, 7073, 14146, 28292, 727003, 1454006, 2908012, 7997033, 15994066, 31988132, 467462929, 934925858, 1869851716, 5142092219, 10284184438, 20568368876]

約数ペア:

[(1, 20568368876), (2, 10284184438), (4, 5142092219), (11, 1869851716), (22, 934925858), (44, 467462929), (643, 31988132), (1286, 15994066), (2572, 7997033), (7073, 2908012), (14146, 1454006), (28292, 727003)]