20656796162

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{28610521}}^1$

素因数の和:28610561

約数の個数: 12

約数和(自身を含む): 32701826646

約数和(自身を除く): 12045030484

約数列:

[1, 2, 19, 38, 361, 722, 28610521, 57221042, 543599899, 1087199798, 10328398081, 20656796162]

約数ペア:

[(1, 20656796162), (2, 10328398081), (19, 1087199798), (38, 543599899), (361, 57221042), (722, 28610521)]