20149703609

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{123973}}^1$

素因数の和:124125

約数の個数: 24

約数和(自身を含む): 24421886208

約数和(自身を除く): 4272182599

約数列:

[1, 7, 31, 49, 107, 217, 749, 1519, 3317, 5243, 23219, 123973, 162533, 867811, 3843163, 6074677, 13265111, 26902141, 92855777, 188314987, 411218441, 649990439, 2878529087, 20149703609]

約数ペア:

[(1, 20149703609), (7, 2878529087), (31, 649990439), (49, 411218441), (107, 188314987), (217, 92855777), (749, 26902141), (1519, 13265111), (3317, 6074677), (5243, 3843163), (23219, 867811), (123973, 162533)]