20205345

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12589}}^1$

素因数の和:12704

約数の個数: 16

約数和(自身を含む): 32633280

約数和(自身を除く): 12427935

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 12589, 37767, 62945, 188835, 1347023, 4041069, 6735115, 20205345]

約数ペア:

[(1, 20205345), (3, 6735115), (5, 4041069), (15, 1347023), (107, 188835), (321, 62945), (535, 37767), (1605, 12589)]