20682297

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 40

約数和(自身を含む): 32517056

約数和(自身を除く): 11834759

約数列:

[1, 3, 9, 27, 37, 67, 81, 103, 111, 201, 309, 333, 603, 927, 999, 1809, 2479, 2781, 2997, 3811, 5427, 6901, 7437, 8343, 11433, 20703, 22311, 34299, 62109, 66933, 102897, 186327, 200799, 255337, 308691, 558981, 766011, 2298033, 6894099, 20682297]

約数ペア:

[(1, 20682297), (3, 6894099), (9, 2298033), (27, 766011), (37, 558981), (67, 308691), (81, 255337), (103, 200799), (111, 186327), (201, 102897), (309, 66933), (333, 62109), (603, 34299), (927, 22311), (999, 20703), (1809, 11433), (2479, 8343), (2781, 7437), (2997, 6901), (3811, 5427)]