20707191

素因数分解:

$3^3\times {\mathrm{439}}^1\times {\mathrm{1747}}^1$

素因数の和:2195

約数の個数: 16

約数和(自身を含む): 30764800

約数和(自身を除く): 10057609

約数列:

[1, 3, 9, 27, 439, 1317, 1747, 3951, 5241, 11853, 15723, 47169, 766933, 2300799, 6902397, 20707191]

約数ペア:

[(1, 20707191), (3, 6902397), (9, 2300799), (27, 766933), (439, 47169), (1317, 15723), (1747, 11853), (3951, 5241)]