20268072

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 60634080

約数和(自身を除く): 40366008

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 157, 163, 198, 264, 314, 326, 396, 471, 489, 628, 652, 792, 942, 978, 1256, 1304, 1413, 1467, 1727, 1793, 1884, 1956, 2826, 2934, 3454, 3586, 3768, 3912, 5181, 5379, 5652, 5868, 6908, 7172, 10362, 10758, 11304, 11736, 13816, 14344, 15543, 16137, 20724, 21516, 25591, 31086, 32274, 41448, 43032, 51182, 62172, 64548, 76773, 102364, 124344, 129096, 153546, 204728, 230319, 281501, 307092, 460638, 563002, 614184, 844503, 921276, 1126004, 1689006, 1842552, 2252008, 2533509, 3378012, 5067018, 6756024, 10134036, 20268072]

約数ペア:

[(1, 20268072), (2, 10134036), (3, 6756024), (4, 5067018), (6, 3378012), (8, 2533509), (9, 2252008), (11, 1842552), (12, 1689006), (18, 1126004), (22, 921276), (24, 844503), (33, 614184), (36, 563002), (44, 460638), (66, 307092), (72, 281501), (88, 230319), (99, 204728), (132, 153546), (157, 129096), (163, 124344), (198, 102364), (264, 76773), (314, 64548), (326, 62172), (396, 51182), (471, 43032), (489, 41448), (628, 32274), (652, 31086), (792, 25591), (942, 21516), (978, 20724), (1256, 16137), (1304, 15543), (1413, 14344), (1467, 13816), (1727, 11736), (1793, 11304), (1884, 10758), (1956, 10362), (2826, 7172), (2934, 6908), (3454, 5868), (3586, 5652), (3768, 5379), (3912, 5181)]