22520780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8101}}^1$

素因数の和:8249

約数の個数: 24

約数和(自身を含む): 47639760

約数和(自身を除く): 25118980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 8101, 16202, 32404, 40505, 81010, 162020, 1126039, 2252078, 4504156, 5630195, 11260390, 22520780]

約数ペア:

[(1, 22520780), (2, 11260390), (4, 5630195), (5, 4504156), (10, 2252078), (20, 1126039), (139, 162020), (278, 81010), (556, 40505), (695, 32404), (1390, 16202), (2780, 8101)]