20380053

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 27772416

約数和(自身を除く): 7392363

約数列:

[1, 3, 71, 163, 213, 489, 587, 1761, 11573, 34719, 41677, 95681, 125031, 287043, 6793351, 20380053]

約数ペア:

[(1, 20380053), (3, 6793351), (71, 287043), (163, 125031), (213, 95681), (489, 41677), (587, 34719), (1761, 11573)]