20019387

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2269}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 28438560

約数和(自身を除く): 8419173

約数列:

[1, 3, 17, 51, 173, 519, 2269, 2941, 6807, 8823, 38573, 115719, 392537, 1177611, 6673129, 20019387]

約数ペア:

[(1, 20019387), (3, 6673129), (17, 1177611), (51, 392537), (173, 115719), (519, 38573), (2269, 8823), (2941, 6807)]