20294782

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1295

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 10840322

約数列:

[1, 2, 71, 131, 142, 262, 1091, 2182, 9301, 18602, 77461, 142921, 154922, 285842, 10147391, 20294782]

約数ペア:

[(1, 20294782), (2, 10147391), (71, 285842), (131, 154922), (142, 142921), (262, 77461), (1091, 18602), (2182, 9301)]