20783928207

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31926157}}^1$

素因数の和:31926198

約数の個数: 16

約数和(自身を含む): 32692385792

約数和(自身を除く): 11908457585

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31926157, 95778471, 223483099, 670449297, 989710867, 2969132601, 6927976069, 20783928207]

約数ペア:

[(1, 20783928207), (3, 6927976069), (7, 2969132601), (21, 989710867), (31, 670449297), (93, 223483099), (217, 95778471), (651, 31926157)]