20543409

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{1187}}^1$

素因数の和:1837

約数の個数: 16

約数和(自身を含む): 30507840

約数和(自身を除く): 9964431

約数列:

[1, 3, 9, 27, 641, 1187, 1923, 3561, 5769, 10683, 17307, 32049, 760867, 2282601, 6847803, 20543409]

約数ペア:

[(1, 20543409), (3, 6847803), (9, 2282601), (27, 760867), (641, 32049), (1187, 17307), (1923, 10683), (3561, 5769)]