20790495

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 39809952

約数和(自身を除く): 19019457

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 97, 99, 165, 291, 433, 485, 495, 873, 1067, 1299, 1455, 2165, 3201, 3897, 4365, 4763, 5335, 6495, 9603, 14289, 16005, 19485, 23815, 42001, 42867, 48015, 71445, 126003, 210005, 214335, 378009, 462011, 630015, 1386033, 1890045, 2310055, 4158099, 6930165, 20790495]

約数ペア:

[(1, 20790495), (3, 6930165), (5, 4158099), (9, 2310055), (11, 1890045), (15, 1386033), (33, 630015), (45, 462011), (55, 378009), (97, 214335), (99, 210005), (165, 126003), (291, 71445), (433, 48015), (485, 42867), (495, 42001), (873, 23815), (1067, 19485), (1299, 16005), (1455, 14289), (2165, 9603), (3201, 6495), (3897, 5335), (4365, 4763)]