20657847

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16673}}^1$

素因数の和:16742

約数の個数: 16

約数和(自身を含む): 32014080

約数和(自身を除く): 11356233

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16673, 50019, 116711, 350133, 983707, 2951121, 6885949, 20657847]

約数ペア:

[(1, 20657847), (3, 6885949), (7, 2951121), (21, 983707), (59, 350133), (177, 116711), (413, 50019), (1239, 16673)]