20197808619

素因数分解:

$3^1\times {\mathrm{643}}^1\times {\mathrm{953}}^1\times {\mathrm{10987}}^1$

素因数の和:12586

約数の個数: 16

約数和(自身を含む): 27003053952

約数和(自身を除く): 6805245333

約数列:

[1, 3, 643, 953, 1929, 2859, 10987, 32961, 612779, 1838337, 7064641, 10470611, 21193923, 31411833, 6732602873, 20197808619]

約数ペア:

[(1, 20197808619), (3, 6732602873), (643, 31411833), (953, 21193923), (1929, 10470611), (2859, 7064641), (10987, 1838337), (32961, 612779)]