20806483993

素因数分解:

${\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1\times {\mathrm{2957}}^1$

素因数の和:3984

約数の個数: 16

約数和(自身を含む): 21579296256

約数和(自身を除く): 772812263

約数列:

[1, 31, 353, 643, 2957, 10943, 19933, 91667, 226979, 1043821, 1901351, 7036349, 32358451, 58941881, 671176903, 20806483993]

約数ペア:

[(1, 20806483993), (31, 671176903), (353, 58941881), (643, 32358451), (2957, 7036349), (10943, 1901351), (19933, 1043821), (91667, 226979)]