16920738

素因数分解:

$2^1\times 3^4\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:864

約数の個数: 40

約数和(自身を含む): 38223900

約数和(自身を除く): 21303162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 149, 162, 298, 447, 701, 894, 1341, 1402, 2103, 2682, 4023, 4206, 6309, 8046, 12069, 12618, 18927, 24138, 37854, 56781, 104449, 113562, 208898, 313347, 626694, 940041, 1880082, 2820123, 5640246, 8460369, 16920738]

約数ペア:

[(1, 16920738), (2, 8460369), (3, 5640246), (6, 2820123), (9, 1880082), (18, 940041), (27, 626694), (54, 313347), (81, 208898), (149, 113562), (162, 104449), (298, 56781), (447, 37854), (701, 24138), (894, 18927), (1341, 12618), (1402, 12069), (2103, 8046), (2682, 6309), (4023, 4206)]