20028556

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 35721504

約数和(自身を除く): 15692948

約数列:

[1, 2, 4, 103, 173, 206, 281, 346, 412, 562, 692, 1124, 17819, 28943, 35638, 48613, 57886, 71276, 97226, 115772, 194452, 5007139, 10014278, 20028556]

約数ペア:

[(1, 20028556), (2, 10014278), (4, 5007139), (103, 194452), (173, 115772), (206, 97226), (281, 71276), (346, 57886), (412, 48613), (562, 35638), (692, 28943), (1124, 17819)]