20407437

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{4637}}^1$

素因数の和:4809

約数の個数: 16

約数和(自身を含む): 30425280

約数和(自身を除く): 10017843

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 4637, 13911, 41733, 125199, 755831, 2267493, 6802479, 20407437]

約数ペア:

[(1, 20407437), (3, 6802479), (9, 2267493), (27, 755831), (163, 125199), (489, 41733), (1467, 13911), (4401, 4637)]