20798538481

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{1129}}^1\times {\mathrm{4759}}^1$

素因数の和:5981

約数の個数: 24

約数和(自身を含む): 24527328000

約数和(自身を除く): 3728789519

約数列:

[1, 7, 49, 79, 553, 1129, 3871, 4759, 7903, 33313, 55321, 89191, 233191, 375961, 624337, 2631727, 4370359, 5372911, 18422089, 37610377, 263272639, 424459969, 2971219783, 20798538481]

約数ペア:

[(1, 20798538481), (7, 2971219783), (49, 424459969), (79, 263272639), (553, 37610377), (1129, 18422089), (3871, 5372911), (4759, 4370359), (7903, 2631727), (33313, 624337), (55321, 375961), (89191, 233191)]