20979112

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34057}}^1$

素因数の和:34081

約数の個数: 32

約数和(自身を含む): 49043520

約数和(自身を除く): 28064408

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34057, 68114, 136228, 238399, 272456, 374627, 476798, 749254, 953596, 1498508, 1907192, 2622389, 2997016, 5244778, 10489556, 20979112]

約数ペア:

[(1, 20979112), (2, 10489556), (4, 5244778), (7, 2997016), (8, 2622389), (11, 1907192), (14, 1498508), (22, 953596), (28, 749254), (44, 476798), (56, 374627), (77, 272456), (88, 238399), (154, 136228), (308, 68114), (616, 34057)]