20738445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15193}}^1$

素因数の和:15221

約数の個数: 32

約数和(自身を含む): 40841472

約数和(自身を除く): 20103027

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15193, 45579, 75965, 106351, 197509, 227895, 319053, 531755, 592527, 987545, 1382563, 1595265, 2962635, 4147689, 6912815, 20738445]

約数ペア:

[(1, 20738445), (3, 6912815), (5, 4147689), (7, 2962635), (13, 1595265), (15, 1382563), (21, 987545), (35, 592527), (39, 531755), (65, 319053), (91, 227895), (105, 197509), (195, 106351), (273, 75965), (455, 45579), (1365, 15193)]