39431020

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1931}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 82929168

約数和(自身を除く): 43498148

約数列:

[1, 2, 4, 5, 10, 20, 1021, 1931, 2042, 3862, 4084, 5105, 7724, 9655, 10210, 19310, 20420, 38620, 1971551, 3943102, 7886204, 9857755, 19715510, 39431020]

約数ペア:

[(1, 39431020), (2, 19715510), (4, 9857755), (5, 7886204), (10, 3943102), (20, 1971551), (1021, 38620), (1931, 20420), (2042, 19310), (3862, 10210), (4084, 9655), (5105, 7724)]