20489095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{929}}^1$

素因数の和:1346

約数の個数: 16

約数和(自身を含む): 26917920

約数和(自身を除く): 6428825

約数列:

[1, 5, 11, 55, 401, 929, 2005, 4411, 4645, 10219, 22055, 51095, 372529, 1862645, 4097819, 20489095]

約数ペア:

[(1, 20489095), (5, 4097819), (11, 1862645), (55, 372529), (401, 51095), (929, 22055), (2005, 10219), (4411, 4645)]