20512578242

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2053}}^1\times {\mathrm{384289}}^1$

素因数の和:386357

約数の個数: 16

約数和(自身を含む): 33151929720

約数和(自身を除く): 12639351478

約数列:

[1, 2, 13, 26, 2053, 4106, 26689, 53378, 384289, 768578, 4995757, 9991514, 788945317, 1577890634, 10256289121, 20512578242]

約数ペア:

[(1, 20512578242), (2, 10256289121), (13, 1577890634), (26, 788945317), (2053, 9991514), (4106, 4995757), (26689, 768578), (53378, 384289)]