20610885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{617}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 35240832

約数和(自身を除く): 14629947

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 617, 655, 1851, 1965, 2227, 3085, 6681, 9255, 10489, 11135, 31467, 33405, 52445, 80827, 157335, 242481, 404135, 1212405, 1374059, 4122177, 6870295, 20610885]

約数ペア:

[(1, 20610885), (3, 6870295), (5, 4122177), (15, 1374059), (17, 1212405), (51, 404135), (85, 242481), (131, 157335), (255, 80827), (393, 52445), (617, 33405), (655, 31467), (1851, 11135), (1965, 10489), (2227, 9255), (3085, 6681)]