20286423

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 32126400

約数和(自身を除く): 11839977

約数列:

[1, 3, 9, 17, 27, 51, 153, 193, 229, 459, 579, 687, 1737, 2061, 3281, 3893, 5211, 6183, 9843, 11679, 29529, 35037, 44197, 88587, 105111, 132591, 397773, 751349, 1193319, 2254047, 6762141, 20286423]

約数ペア:

[(1, 20286423), (3, 6762141), (9, 2254047), (17, 1193319), (27, 751349), (51, 397773), (153, 132591), (193, 105111), (229, 88587), (459, 44197), (579, 35037), (687, 29529), (1737, 11679), (2061, 9843), (3281, 6183), (3893, 5211)]