12118220

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1511}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 25528608

約数和(自身を除く): 13410388

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1511, 1604, 2005, 3022, 4010, 6044, 7555, 8020, 15110, 30220, 605911, 1211822, 2423644, 3029555, 6059110, 12118220]

約数ペア:

[(1, 12118220), (2, 6059110), (4, 3029555), (5, 2423644), (10, 1211822), (20, 605911), (401, 30220), (802, 15110), (1511, 8020), (1604, 7555), (2005, 6044), (3022, 4010)]