20461912

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18401}}^1$

素因数の和:18546

約数の個数: 16

約数和(自身を含む): 38644200

約数和(自身を除く): 18182288

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18401, 36802, 73604, 147208, 2557739, 5115478, 10230956, 20461912]

約数ペア:

[(1, 20461912), (2, 10230956), (4, 5115478), (8, 2557739), (139, 147208), (278, 73604), (556, 36802), (1112, 18401)]