20309613

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{607}}^1$

素因数の和:1216

約数の個数: 16

約数和(自身を含む): 28600320

約数和(自身を除く): 8290707

約数列:

[1, 3, 19, 57, 587, 607, 1761, 1821, 11153, 11533, 33459, 34599, 356309, 1068927, 6769871, 20309613]

約数ペア:

[(1, 20309613), (3, 6769871), (19, 1068927), (57, 356309), (587, 34599), (607, 33459), (1761, 11533), (1821, 11153)]