20480220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113779}}^1$

素因数の和:113794

約数の個数: 36

約数和(自身を含む): 62123880

約数和(自身を除く): 41643660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113779, 227558, 341337, 455116, 568895, 682674, 1024011, 1137790, 1365348, 1706685, 2048022, 2275580, 3413370, 4096044, 5120055, 6826740, 10240110, 20480220]

約数ペア:

[(1, 20480220), (2, 10240110), (3, 6826740), (4, 5120055), (5, 4096044), (6, 3413370), (9, 2275580), (10, 2048022), (12, 1706685), (15, 1365348), (18, 1137790), (20, 1024011), (30, 682674), (36, 568895), (45, 455116), (60, 341337), (90, 227558), (180, 113779)]