20736032157

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{577879}}^1$

素因数の和:578334

約数の個数: 20

約数和(自身を含む): 31046025120

約数和(自身を除く): 10309992963

約数列:

[1, 3, 9, 27, 81, 443, 1329, 3987, 11961, 35883, 577879, 1733637, 5200911, 15602733, 46808199, 256000397, 768001191, 2304003573, 6912010719, 20736032157]

約数ペア:

[(1, 20736032157), (3, 6912010719), (9, 2304003573), (27, 768001191), (81, 256000397), (443, 46808199), (1329, 15602733), (3987, 5200911), (11961, 1733637), (35883, 577879)]