20617288

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{69653}}^1$

素因数の和:69696

約数の個数: 16

約数和(自身を含む): 39702780

約数和(自身を除く): 19085492

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 69653, 139306, 278612, 557224, 2577161, 5154322, 10308644, 20617288]

約数ペア:

[(1, 20617288), (2, 10308644), (4, 5154322), (8, 2577161), (37, 557224), (74, 278612), (148, 139306), (296, 69653)]