11980420

素因数分解:

$2^2\times 5^1\times {\mathrm{599021}}^1$

素因数の和:599030

約数の個数: 12

約数和(自身を含む): 25158924

約数和(自身を除く): 13178504

約数列:

[1, 2, 4, 5, 10, 20, 599021, 1198042, 2396084, 2995105, 5990210, 11980420]

約数ペア:

[(1, 11980420), (2, 5990210), (4, 2995105), (5, 2396084), (10, 1198042), (20, 599021)]