20199721221

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{5890849}}^1$

素因数の和:5890985

約数の個数: 16

約数和(自身を含む): 30161152000

約数和(自身を除く): 9961430779

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 5890849, 17672547, 53017641, 159052923, 748137823, 2244413469, 6733240407, 20199721221]

約数ペア:

[(1, 20199721221), (3, 6733240407), (9, 2244413469), (27, 748137823), (127, 159052923), (381, 53017641), (1143, 17672547), (3429, 5890849)]