20005855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{631}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 25527744

約数和(自身を除く): 5521889

約数列:

[1, 5, 17, 85, 373, 631, 1865, 3155, 6341, 10727, 31705, 53635, 235363, 1176815, 4001171, 20005855]

約数ペア:

[(1, 20005855), (5, 4001171), (17, 1176815), (85, 235363), (373, 53635), (631, 31705), (1865, 10727), (3155, 6341)]