20944731

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{887}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 29666304

約数和(自身を除く): 8721573

約数列:

[1, 3, 17, 51, 463, 887, 1389, 2661, 7871, 15079, 23613, 45237, 410681, 1232043, 6981577, 20944731]

約数ペア:

[(1, 20944731), (3, 6981577), (17, 1232043), (51, 410681), (463, 45237), (887, 23613), (1389, 15079), (2661, 7871)]