20306823

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{907}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 28765440

約数和(自身を除く): 8458617

約数列:

[1, 3, 17, 51, 439, 907, 1317, 2721, 7463, 15419, 22389, 46257, 398173, 1194519, 6768941, 20306823]

約数ペア:

[(1, 20306823), (3, 6768941), (17, 1194519), (51, 398173), (439, 46257), (907, 22389), (1317, 15419), (2721, 7463)]