20199100775

素因数分解:

$5^2\times 7^1\times {\mathrm{115423433}}^1$

素因数の和:115423450

約数の個数: 12

約数和(自身を含む): 28625011632

約数和(自身を除く): 8425910857

約数列:

[1, 5, 7, 25, 35, 175, 115423433, 577117165, 807964031, 2885585825, 4039820155, 20199100775]

約数ペア:

[(1, 20199100775), (5, 4039820155), (7, 2885585825), (25, 807964031), (35, 577117165), (175, 115423433)]