20682788

素因数分解:

$2^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1949}}^1$

素因数の和:2339

約数の個数: 24

約数和(自身を含む): 41496000

約数和(自身を除く): 20813212

約数列:

[1, 2, 4, 7, 14, 28, 379, 758, 1516, 1949, 2653, 3898, 5306, 7796, 10612, 13643, 27286, 54572, 738671, 1477342, 2954684, 5170697, 10341394, 20682788]

約数ペア:

[(1, 20682788), (2, 10341394), (4, 5170697), (7, 2954684), (14, 1477342), (28, 738671), (379, 54572), (758, 27286), (1516, 13643), (1949, 10612), (2653, 7796), (3898, 5306)]