20009685

素因数分解:

$3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2971}}^1$

素因数の和:3428

約数の個数: 16

約数和(自身を含む): 32097600

約数和(自身を除く): 12087915

約数列:

[1, 3, 5, 15, 449, 1347, 2245, 2971, 6735, 8913, 14855, 44565, 1333979, 4001937, 6669895, 20009685]

約数ペア:

[(1, 20009685), (3, 6669895), (5, 4001937), (15, 1333979), (449, 44565), (1347, 14855), (2245, 8913), (2971, 6735)]