20004879

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 27181440

約数和(自身を除く): 7176561

約数列:

[1, 3, 109, 131, 327, 393, 467, 1401, 14279, 42837, 50903, 61177, 152709, 183531, 6668293, 20004879]

約数ペア:

[(1, 20004879), (3, 6668293), (109, 183531), (131, 152709), (327, 61177), (393, 50903), (467, 42837), (1401, 14279)]