20938214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1471}}^1$

素因数の和:2131

約数の個数: 16

約数和(自身を含む): 34338816

約数和(自身を除く): 13400602

約数列:

[1, 2, 11, 22, 647, 1294, 1471, 2942, 7117, 14234, 16181, 32362, 951737, 1903474, 10469107, 20938214]

約数ペア:

[(1, 20938214), (2, 10469107), (11, 1903474), (22, 951737), (647, 32362), (1294, 16181), (1471, 14234), (2942, 7117)]