20321315

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20021}}^1$

素因数の和:20062

約数の個数: 16

約数和(自身を含む): 28831680

約数和(自身を除く): 8510365

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 20021, 100105, 140147, 580609, 700735, 2903045, 4064263, 20321315]

約数ペア:

[(1, 20321315), (5, 4064263), (7, 2903045), (29, 700735), (35, 580609), (145, 140147), (203, 100105), (1015, 20021)]