20740804551

素因数分解:

$3^2\times {\mathrm{239}}^1\times {\mathrm{9642401}}^1$

素因数の和:9642646

約数の個数: 12

約数和(自身を含む): 30084294240

約数和(自身を除く): 9343489689

約数列:

[1, 3, 9, 239, 717, 2151, 9642401, 28927203, 86781609, 2304533839, 6913601517, 20740804551]

約数ペア:

[(1, 20740804551), (3, 6913601517), (9, 2304533839), (239, 86781609), (717, 28927203), (2151, 9642401)]