20087208

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1777}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 54780180

約数和(自身を除く): 34692972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1777, 1884, 2826, 3554, 3768, 5331, 5652, 7108, 10662, 11304, 14216, 15993, 21324, 31986, 42648, 63972, 127944, 278989, 557978, 836967, 1115956, 1673934, 2231912, 2510901, 3347868, 5021802, 6695736, 10043604, 20087208]

約数ペア:

[(1, 20087208), (2, 10043604), (3, 6695736), (4, 5021802), (6, 3347868), (8, 2510901), (9, 2231912), (12, 1673934), (18, 1115956), (24, 836967), (36, 557978), (72, 278989), (157, 127944), (314, 63972), (471, 42648), (628, 31986), (942, 21324), (1256, 15993), (1413, 14216), (1777, 11304), (1884, 10662), (2826, 7108), (3554, 5652), (3768, 5331)]