20398818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16267}}^1$

素因数の和:16302

約数の個数: 32

約数和(自身を含む): 46851840

約数和(自身を除く): 26453022

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 16267, 32534, 48801, 97602, 178937, 309073, 357874, 536811, 618146, 927219, 1073622, 1854438, 3399803, 6799606, 10199409, 20398818]

約数ペア:

[(1, 20398818), (2, 10199409), (3, 6799606), (6, 3399803), (11, 1854438), (19, 1073622), (22, 927219), (33, 618146), (38, 536811), (57, 357874), (66, 309073), (114, 178937), (209, 97602), (418, 48801), (627, 32534), (1254, 16267)]