20737188

素因数分解:

$2^2\times 3^3\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1393

約数の個数: 48

約数和(自身を含む): 54149760

約数和(自身を除く): 33412572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 157, 314, 471, 628, 942, 1223, 1413, 1884, 2446, 2826, 3669, 4239, 4892, 5652, 7338, 8478, 11007, 14676, 16956, 22014, 33021, 44028, 66042, 132084, 192011, 384022, 576033, 768044, 1152066, 1728099, 2304132, 3456198, 5184297, 6912396, 10368594, 20737188]

約数ペア:

[(1, 20737188), (2, 10368594), (3, 6912396), (4, 5184297), (6, 3456198), (9, 2304132), (12, 1728099), (18, 1152066), (27, 768044), (36, 576033), (54, 384022), (108, 192011), (157, 132084), (314, 66042), (471, 44028), (628, 33021), (942, 22014), (1223, 16956), (1413, 14676), (1884, 11007), (2446, 8478), (2826, 7338), (3669, 5652), (4239, 4892)]