12331420

素因数分解:

$2^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{821}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 25962048

約数和(自身を除く): 13630628

約数列:

[1, 2, 4, 5, 10, 20, 751, 821, 1502, 1642, 3004, 3284, 3755, 4105, 7510, 8210, 15020, 16420, 616571, 1233142, 2466284, 3082855, 6165710, 12331420]

約数ペア:

[(1, 12331420), (2, 6165710), (4, 3082855), (5, 2466284), (10, 1233142), (20, 616571), (751, 16420), (821, 15020), (1502, 8210), (1642, 7510), (3004, 4105), (3284, 3755)]