20007141

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12373}}^1$

素因数の和:12401

約数の個数: 24

約数和(自身を含む): 33855264

約数和(自身を除く): 13848123

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12373, 37119, 86611, 136103, 259833, 408309, 606277, 952721, 1818831, 2858163, 6669047, 20007141]

約数ペア:

[(1, 20007141), (3, 6669047), (7, 2858163), (11, 1818831), (21, 952721), (33, 606277), (49, 408309), (77, 259833), (147, 136103), (231, 86611), (539, 37119), (1617, 12373)]