20882159

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 22744800

約数和(自身を除く): 1862641

約数列:

[1, 19, 53, 89, 233, 1007, 1691, 4427, 4717, 12349, 20737, 89623, 234631, 394003, 1099061, 20882159]

約数ペア:

[(1, 20882159), (19, 1099061), (53, 394003), (89, 234631), (233, 89623), (1007, 20737), (1691, 12349), (4427, 4717)]