12028420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4591}}^1$

素因数の和:4731

約数の個数: 24

約数和(自身を含む): 25458048

約数和(自身を除く): 13429628

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 4591, 9182, 18364, 22955, 45910, 91820, 601421, 1202842, 2405684, 3007105, 6014210, 12028420]

約数ペア:

[(1, 12028420), (2, 6014210), (4, 3007105), (5, 2405684), (10, 1202842), (20, 601421), (131, 91820), (262, 45910), (524, 22955), (655, 18364), (1310, 9182), (2620, 4591)]