20055021

素因数分解:

$3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4799}}^1$

素因数の和:5008

約数の個数: 16

約数和(自身を含む): 30720000

約数和(自身を除く): 10664979

約数列:

[1, 3, 7, 21, 199, 597, 1393, 4179, 4799, 14397, 33593, 100779, 955001, 2865003, 6685007, 20055021]

約数ペア:

[(1, 20055021), (3, 6685007), (7, 2865003), (21, 955001), (199, 100779), (597, 33593), (1393, 14397), (4179, 4799)]