20204345

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4153}}^1$

素因数の和:4304

約数の個数: 16

約数和(自身を含む): 27914880

約数和(自身を除く): 7710535

約数列:

[1, 5, 7, 35, 139, 695, 973, 4153, 4865, 20765, 29071, 145355, 577267, 2886335, 4040869, 20204345]

約数ペア:

[(1, 20204345), (5, 4040869), (7, 2886335), (35, 577267), (139, 145355), (695, 29071), (973, 20765), (4153, 4865)]