20198278

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1123}}^1$

素因数の和:1188

約数の個数: 24

約数和(自身を含む): 33564888

約数和(自身を除く): 13366610

約数列:

[1, 2, 17, 23, 34, 46, 391, 529, 782, 1058, 1123, 2246, 8993, 17986, 19091, 25829, 38182, 51658, 439093, 594067, 878186, 1188134, 10099139, 20198278]

約数ペア:

[(1, 20198278), (2, 10099139), (17, 1188134), (23, 878186), (34, 594067), (46, 439093), (391, 51658), (529, 38182), (782, 25829), (1058, 19091), (1123, 17986), (2246, 8993)]