20824155

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 41587200

約数和(自身を除く): 20763045

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 99, 111, 135, 165, 185, 297, 333, 379, 407, 495, 555, 999, 1137, 1221, 1485, 1665, 1895, 2035, 3411, 3663, 4169, 4995, 5685, 6105, 10233, 10989, 12507, 14023, 17055, 18315, 20845, 37521, 42069, 51165, 54945, 62535, 70115, 112563, 126207, 154253, 187605, 210345, 378621, 462759, 562815, 631035, 771265, 1388277, 1893105, 2313795, 4164831, 6941385, 20824155]

約数ペア:

[(1, 20824155), (3, 6941385), (5, 4164831), (9, 2313795), (11, 1893105), (15, 1388277), (27, 771265), (33, 631035), (37, 562815), (45, 462759), (55, 378621), (99, 210345), (111, 187605), (135, 154253), (165, 126207), (185, 112563), (297, 70115), (333, 62535), (379, 54945), (407, 51165), (495, 42069), (555, 37521), (999, 20845), (1137, 18315), (1221, 17055), (1485, 14023), (1665, 12507), (1895, 10989), (2035, 10233), (3411, 6105), (3663, 5685), (4169, 4995)]