20164815

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 40273920

約数和(自身を除く): 20109105

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 37, 45, 55, 99, 111, 135, 165, 185, 297, 333, 367, 407, 495, 555, 999, 1101, 1221, 1485, 1665, 1835, 2035, 3303, 3663, 4037, 4995, 5505, 6105, 9909, 10989, 12111, 13579, 16515, 18315, 20185, 36333, 40737, 49545, 54945, 60555, 67895, 108999, 122211, 149369, 181665, 203685, 366633, 448107, 544995, 611055, 746845, 1344321, 1833165, 2240535, 4032963, 6721605, 20164815]

約数ペア:

[(1, 20164815), (3, 6721605), (5, 4032963), (9, 2240535), (11, 1833165), (15, 1344321), (27, 746845), (33, 611055), (37, 544995), (45, 448107), (55, 366633), (99, 203685), (111, 181665), (135, 149369), (165, 122211), (185, 108999), (297, 67895), (333, 60555), (367, 54945), (407, 49545), (495, 40737), (555, 36333), (999, 20185), (1101, 18315), (1221, 16515), (1485, 13579), (1665, 12111), (1835, 10989), (2035, 9909), (3303, 6105), (3663, 5505), (4037, 4995)]