20480724

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51719}}^1$

素因数の和:51740

約数の個数: 36

約数和(自身を含む): 56478240

約数和(自身を除く): 35997516

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51719, 103438, 155157, 206876, 310314, 465471, 568909, 620628, 930942, 1137818, 1706727, 1861884, 2275636, 3413454, 5120181, 6826908, 10240362, 20480724]

約数ペア:

[(1, 20480724), (2, 10240362), (3, 6826908), (4, 5120181), (6, 3413454), (9, 2275636), (11, 1861884), (12, 1706727), (18, 1137818), (22, 930942), (33, 620628), (36, 568909), (44, 465471), (66, 310314), (99, 206876), (132, 155157), (198, 103438), (396, 51719)]