20427635

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 25274592

約数和(自身を除く): 4846957

約数列:

[1, 5, 41, 205, 251, 397, 1255, 1985, 10291, 16277, 51455, 81385, 99647, 498235, 4085527, 20427635]

約数ペア:

[(1, 20427635), (5, 4085527), (41, 498235), (205, 99647), (251, 81385), (397, 51455), (1255, 16277), (1985, 10291)]