20220440

素因数分解:

$2^3\times 5^1\times {\mathrm{505511}}^1$

素因数の和:505522

約数の個数: 16

約数和(自身を含む): 45496080

約数和(自身を除く): 25275640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505511, 1011022, 2022044, 2527555, 4044088, 5055110, 10110220, 20220440]

約数ペア:

[(1, 20220440), (2, 10110220), (4, 5055110), (5, 4044088), (8, 2527555), (10, 2022044), (20, 1011022), (40, 505511)]