20199390729

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1301591}}^1$

素因数の和:1302340

約数の個数: 16

約数和(自身を含む): 30821698560

約数和(自身を除く): 10622307831

約数列:

[1, 3, 7, 21, 739, 2217, 5173, 15519, 1301591, 3904773, 9111137, 27333411, 961875749, 2885627247, 6733130243, 20199390729]

約数ペア:

[(1, 20199390729), (3, 6733130243), (7, 2885627247), (21, 961875749), (739, 27333411), (2217, 9111137), (5173, 3904773), (15519, 1301591)]