20086145

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 24625920

約数和(自身を除く): 4539775

約数列:

[1, 5, 79, 211, 241, 395, 1055, 1205, 16669, 19039, 50851, 83345, 95195, 254255, 4017229, 20086145]

約数ペア:

[(1, 20086145), (5, 4017229), (79, 254255), (211, 95195), (241, 83345), (395, 50851), (1055, 19039), (1205, 16669)]