20041881

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{463}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 27439104

約数和(自身を除く): 7397223

約数列:

[1, 3, 47, 141, 307, 463, 921, 1389, 14429, 21761, 43287, 65283, 142141, 426423, 6680627, 20041881]

約数ペア:

[(1, 20041881), (3, 6680627), (47, 426423), (141, 142141), (307, 65283), (463, 43287), (921, 21761), (1389, 14429)]