20273589

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16937}}^1$

素因数の和:16969

約数の個数: 24

約数和(自身を含む): 35231040

約数和(自身を除く): 14957451

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16937, 50811, 118559, 152433, 321803, 355677, 965409, 1067031, 2252621, 2896227, 6757863, 20273589]

約数ペア:

[(1, 20273589), (3, 6757863), (7, 2896227), (9, 2252621), (19, 1067031), (21, 965409), (57, 355677), (63, 321803), (133, 152433), (171, 118559), (399, 50811), (1197, 16937)]