20672091

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23201}}^1$

素因数の和:23224

約数の個数: 20

約数和(自身を含む): 33689304

約数和(自身を除く): 13017213

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 23201, 69603, 208809, 255211, 626427, 765633, 1879281, 2296899, 6890697, 20672091]

約数ペア:

[(1, 20672091), (3, 6890697), (9, 2296899), (11, 1879281), (27, 765633), (33, 626427), (81, 255211), (99, 208809), (297, 69603), (891, 23201)]