1900564420

素因数分解:

$2^2\times 5^1\times {\mathrm{95028221}}^1$

素因数の和:95028230

約数の個数: 12

約数和(自身を含む): 3991185324

約数和(自身を除く): 2090620904

約数列:

[1, 2, 4, 5, 10, 20, 95028221, 190056442, 380112884, 475141105, 950282210, 1900564420]

約数ペア:

[(1, 1900564420), (2, 950282210), (4, 475141105), (5, 380112884), (10, 190056442), (20, 95028221)]