20828269

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{3259}}^1$

素因数の和:3360

約数の個数: 16

約数和(自身を含む): 26288640

約数和(自身を除く): 5460371

約数列:

[1, 7, 11, 77, 83, 581, 913, 3259, 6391, 22813, 35849, 250943, 270497, 1893479, 2975467, 20828269]

約数ペア:

[(1, 20828269), (7, 2975467), (11, 1893479), (77, 270497), (83, 250943), (581, 35849), (913, 22813), (3259, 6391)]