20172872705

素因数分解:

$5^1\times {\mathrm{563}}^1\times {\mathrm{907}}^1\times {\mathrm{7901}}^1$

素因数の和:9376

約数の個数: 16

約数和(自身を含む): 24280254144

約数和(自身を除く): 4107381439

約数列:

[1, 5, 563, 907, 2815, 4535, 7901, 39505, 510641, 2553205, 4448263, 7166207, 22241315, 35831035, 4034574541, 20172872705]

約数ペア:

[(1, 20172872705), (5, 4034574541), (563, 35831035), (907, 22241315), (2815, 7166207), (4535, 4448263), (7901, 2553205), (39505, 510641)]