20656245

素因数分解:

$3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3067}}^1$

素因数の和:3524

約数の個数: 16

約数和(自身を含む): 33134400

約数和(自身を除く): 12478155

約数列:

[1, 3, 5, 15, 449, 1347, 2245, 3067, 6735, 9201, 15335, 46005, 1377083, 4131249, 6885415, 20656245]

約数ペア:

[(1, 20656245), (3, 6885415), (5, 4131249), (15, 1377083), (449, 46005), (1347, 15335), (2245, 9201), (3067, 6735)]