20356191

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14783}}^1$

素因数の和:14812

約数の個数: 20

約数和(自身を含む): 32199552

約数和(自身を除く): 11843361

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14783, 44349, 133047, 251311, 399141, 753933, 1197423, 2261799, 6785397, 20356191]

約数ペア:

[(1, 20356191), (3, 6785397), (9, 2261799), (17, 1197423), (27, 753933), (51, 399141), (81, 251311), (153, 133047), (459, 44349), (1377, 14783)]