20121355881

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22582891}}^1$

素因数の和:22582914

約数の個数: 20

約数和(自身を含む): 32790359184

約数和(自身を除く): 12669003303

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22582891, 67748673, 203246019, 248411801, 609738057, 745235403, 1829214171, 2235706209, 6707118627, 20121355881]

約数ペア:

[(1, 20121355881), (3, 6707118627), (9, 2235706209), (11, 1829214171), (27, 745235403), (33, 609738057), (81, 248411801), (99, 203246019), (297, 67748673), (891, 22582891)]