20979124418

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20527519}}^1$

素因数の和:20527601

約数の個数: 16

約数和(自身を含む): 36456875520

約数和(自身を除く): 15477751102

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20527519, 41055038, 143692633, 287385266, 1498508887, 2997017774, 10489562209, 20979124418]

約数ペア:

[(1, 20979124418), (2, 10489562209), (7, 2997017774), (14, 1498508887), (73, 287385266), (146, 143692633), (511, 41055038), (1022, 20527519)]