20512385109

素因数分解:

$3^3\times {\mathrm{3821}}^1\times {\mathrm{198827}}^1$

素因数の和:202657

約数の個数: 16

約数和(自身を含む): 30396824640

約数和(自身を除く): 9884439531

約数列:

[1, 3, 9, 27, 3821, 11463, 34389, 103167, 198827, 596481, 1789443, 5368329, 759717967, 2279153901, 6837461703, 20512385109]

約数ペア:

[(1, 20512385109), (3, 6837461703), (9, 2279153901), (27, 759717967), (3821, 5368329), (11463, 1789443), (34389, 596481), (103167, 198827)]