20085147

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 30976400

約数和(自身を除く): 10891253

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1387, 1609, 4161, 4827, 12483, 14481, 30571, 91713, 117457, 275139, 352371, 1057113, 2231683, 6695049, 20085147]

約数ペア:

[(1, 20085147), (3, 6695049), (9, 2231683), (19, 1057113), (57, 352371), (73, 275139), (171, 117457), (219, 91713), (657, 30571), (1387, 14481), (1609, 12483), (4161, 4827)]