20780515077

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1201}}^1\times {\mathrm{4603}}^1$

素因数の和:5993

約数の個数: 32

約数和(自身を含む): 31875886080

約数和(自身を除く): 11095371003

約数列:

[1, 3, 7, 21, 179, 537, 1201, 1253, 3603, 3759, 4603, 8407, 13809, 25221, 32221, 96663, 214979, 644937, 823937, 1504853, 2471811, 4514559, 5528203, 5767559, 16584609, 17302677, 38697421, 116092263, 989548337, 2968645011, 6926838359, 20780515077]

約数ペア:

[(1, 20780515077), (3, 6926838359), (7, 2968645011), (21, 989548337), (179, 116092263), (537, 38697421), (1201, 17302677), (1253, 16584609), (3603, 5767559), (3759, 5528203), (4603, 4514559), (8407, 2471811), (13809, 1504853), (25221, 823937), (32221, 644937), (96663, 214979)]