20778046

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1571}}^1$

素因数の和:1979

約数の個数: 16

約数和(自身を含む): 33106320

約数和(自身を除く): 12328274

約数列:

[1, 2, 17, 34, 389, 778, 1571, 3142, 6613, 13226, 26707, 53414, 611119, 1222238, 10389023, 20778046]

約数ペア:

[(1, 20778046), (2, 10389023), (17, 1222238), (34, 611119), (389, 53414), (778, 26707), (1571, 13226), (3142, 6613)]