20246049

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2081}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 31180032

約数和(自身を除く): 10933983

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 2081, 3243, 6243, 9729, 18729, 47863, 97807, 143589, 293421, 430767, 880263, 2249561, 6748683, 20246049]

約数ペア:

[(1, 20246049), (3, 6748683), (9, 2249561), (23, 880263), (47, 430767), (69, 293421), (141, 143589), (207, 97807), (423, 47863), (1081, 18729), (2081, 9729), (3243, 6243)]