20768433

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26729}}^1$

素因数の和:26776

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 11735247

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 26729, 80187, 187103, 561309, 988973, 2966919, 6922811, 20768433]

約数ペア:

[(1, 20768433), (3, 6922811), (7, 2966919), (21, 988973), (37, 561309), (111, 187103), (259, 80187), (777, 26729)]