20494485

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 40930560

約数和(自身を除く): 20436075

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 99, 111, 135, 165, 185, 297, 333, 373, 407, 495, 555, 999, 1119, 1221, 1485, 1665, 1865, 2035, 3357, 3663, 4103, 4995, 5595, 6105, 10071, 10989, 12309, 13801, 16785, 18315, 20515, 36927, 41403, 50355, 54945, 61545, 69005, 110781, 124209, 151811, 184635, 207015, 372627, 455433, 553905, 621045, 759055, 1366299, 1863135, 2277165, 4098897, 6831495, 20494485]

約数ペア:

[(1, 20494485), (3, 6831495), (5, 4098897), (9, 2277165), (11, 1863135), (15, 1366299), (27, 759055), (33, 621045), (37, 553905), (45, 455433), (55, 372627), (99, 207015), (111, 184635), (135, 151811), (165, 124209), (185, 110781), (297, 69005), (333, 61545), (373, 54945), (407, 50355), (495, 41403), (555, 36927), (999, 20515), (1119, 18315), (1221, 16785), (1485, 13801), (1665, 12309), (1865, 10989), (2035, 10071), (3357, 6105), (3663, 5595), (4103, 4995)]