20870565

素因数分解:

$3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{5023}}^1$

素因数の和:5308

約数の個数: 16

約数和(自身を含む): 33520128

約数和(自身を除く): 12649563

約数列:

[1, 3, 5, 15, 277, 831, 1385, 4155, 5023, 15069, 25115, 75345, 1391371, 4174113, 6956855, 20870565]

約数ペア:

[(1, 20870565), (3, 6956855), (5, 4174113), (15, 1391371), (277, 75345), (831, 25115), (1385, 15069), (4155, 5023)]