20590852

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{72503}}^1$

素因数の和:72578

約数の個数: 12

約数和(自身を含む): 36542016

約数和(自身を除く): 15951164

約数列:

[1, 2, 4, 71, 142, 284, 72503, 145006, 290012, 5147713, 10295426, 20590852]

約数ペア:

[(1, 20590852), (2, 10295426), (4, 5147713), (71, 290012), (142, 145006), (284, 72503)]