20901567

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 28313600

約数和(自身を除く): 7412033

約数列:

[1, 3, 157, 199, 223, 471, 597, 669, 31243, 35011, 44377, 93729, 105033, 133131, 6967189, 20901567]

約数ペア:

[(1, 20901567), (3, 6967189), (157, 133131), (199, 105033), (223, 93729), (471, 44377), (597, 35011), (669, 31243)]