20811549

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5581}}^1$

素因数の和:5708

約数の個数: 16

約数和(自身を含む): 30544704

約数和(自身を除く): 9733155

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5581, 16743, 61391, 184173, 630653, 1891959, 6937183, 20811549]

約数ペア:

[(1, 20811549), (3, 6937183), (11, 1891959), (33, 630653), (113, 184173), (339, 61391), (1243, 16743), (3729, 5581)]