20985361

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 23390208

約数和(自身を除く): 2404847

約数列:

[1, 17, 23, 191, 281, 391, 3247, 4393, 4777, 6463, 53671, 74681, 109871, 912407, 1234433, 20985361]

約数ペア:

[(1, 20985361), (17, 1234433), (23, 912407), (191, 109871), (281, 74681), (391, 53671), (3247, 6463), (4393, 4777)]