20997135015

素因数分解:

$3^1\times 5^1\times {\mathrm{4409}}^1\times {\mathrm{317489}}^1$

素因数の和:321906

約数の個数: 16

約数和(自身を含む): 33603141600

約数和(自身を除く): 12606006585

約数列:

[1, 3, 5, 15, 4409, 13227, 22045, 66135, 317489, 952467, 1587445, 4762335, 1399809001, 4199427003, 6999045005, 20997135015]

約数ペア:

[(1, 20997135015), (3, 6999045005), (5, 4199427003), (15, 1399809001), (4409, 4762335), (13227, 1587445), (22045, 952467), (66135, 317489)]