20199421795

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4212601}}^1$

素因数の和:4212750

約数の個数: 16

約数和(自身を含む): 27904275648

約数和(自身を除く): 7704853853

約数列:

[1, 5, 7, 35, 137, 685, 959, 4795, 4212601, 21063005, 29488207, 147441035, 577126337, 2885631685, 4039884359, 20199421795]

約数ペア:

[(1, 20199421795), (5, 4039884359), (7, 2885631685), (35, 577126337), (137, 147441035), (685, 29488207), (959, 21063005), (4795, 4212601)]