20683475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 27841968

約数和(自身を除く): 7158493

約数列:

[1, 5, 17, 25, 41, 85, 205, 425, 697, 1025, 1187, 3485, 5935, 17425, 20179, 29675, 48667, 100895, 243335, 504475, 827339, 1216675, 4136695, 20683475]

約数ペア:

[(1, 20683475), (5, 4136695), (17, 1216675), (25, 827339), (41, 504475), (85, 243335), (205, 100895), (425, 48667), (697, 29675), (1025, 20179), (1187, 17425), (3485, 5935)]