20486085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71881}}^1$

素因数の和:71908

約数の個数: 16

約数和(自身を含む): 34503360

約数和(自身を除く): 14017275

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 71881, 215643, 359405, 1078215, 1365739, 4097217, 6828695, 20486085]

約数ペア:

[(1, 20486085), (3, 6828695), (5, 4097217), (15, 1365739), (19, 1078215), (57, 359405), (95, 215643), (285, 71881)]