20711086

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:169

約数の個数: 36

約数和(自身を含む): 36226008

約数和(自身を除く): 15514922

約数列:

[1, 2, 11, 22, 23, 46, 61, 121, 122, 242, 253, 506, 671, 1342, 1403, 2783, 2806, 3721, 5566, 7381, 7442, 14762, 15433, 30866, 40931, 81862, 85583, 169763, 171166, 339526, 450241, 900482, 941413, 1882826, 10355543, 20711086]

約数ペア:

[(1, 20711086), (2, 10355543), (11, 1882826), (22, 941413), (23, 900482), (46, 450241), (61, 339526), (121, 171166), (122, 169763), (242, 85583), (253, 81862), (506, 40931), (671, 30866), (1342, 15433), (1403, 14762), (2783, 7442), (2806, 7381), (3721, 5566)]