20662985

素因数分解:

$5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1409}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 28425600

約数和(自身を除く): 7762615

約数列:

[1, 5, 7, 35, 419, 1409, 2095, 2933, 7045, 9863, 14665, 49315, 590371, 2951855, 4132597, 20662985]

約数ペア:

[(1, 20662985), (5, 4132597), (7, 2951855), (35, 590371), (419, 49315), (1409, 14665), (2095, 9863), (2933, 7045)]