20308255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 28182528

約数和(自身を除く): 7874273

約数列:

[1, 5, 11, 31, 43, 55, 155, 215, 277, 341, 473, 1333, 1385, 1705, 2365, 3047, 6665, 8587, 11911, 14663, 15235, 42935, 59555, 73315, 94457, 131021, 369241, 472285, 655105, 1846205, 4061651, 20308255]

約数ペア:

[(1, 20308255), (5, 4061651), (11, 1846205), (31, 655105), (43, 472285), (55, 369241), (155, 131021), (215, 94457), (277, 73315), (341, 59555), (473, 42935), (1333, 15235), (1385, 14663), (1705, 11911), (2365, 8587), (3047, 6665)]