20711079

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17839}}^1$

素因数の和:17891

約数の個数: 16

約数和(自身を含む): 31398400

約数和(自身を除く): 10687321

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17839, 53517, 160551, 481653, 767077, 2301231, 6903693, 20711079]

約数ペア:

[(1, 20711079), (3, 6903693), (9, 2301231), (27, 767077), (43, 481653), (129, 160551), (387, 53517), (1161, 17839)]